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Vandenberg SLC2W

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AKA: 75-1-2. First Launch: 1959-09-17. Last Launch: 2014-07-02. Number: 93 . Longitude: -120.62 deg. Latitude: 34.76 deg.

• IWST - . Nation: USA. Agency: RAF. Apogee: 520 km (320 mi). A Thor/Able II booster carrying the Navy's Transit IA navigation satellite was launched from Cape Canaveral. A third stage malfunction prevented the satellite from achieving orbit. .

• IWST - . Nation: USA. Agency: RAF. Apogee: 520 km (320 mi).

• IWST - . Nation: USA. Agency: RAF. Apogee: 0 km (0 mi).

• IWST - . Nation: USA. Agency: RAF. Apogee: 520 km (320 mi).

• KH-4 9044 - . Payload: KH-4 s/n 9044 / Agena D 1153. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-4. Decay Date: 1962-09-10 . USAF Sat Cat: 377 . COSPAR: 1962-A-Sigma-1. Apogee: 400 km (240 mi). Perigee: 187 km (116 mi). Inclination: 65.20 deg. Period: 90.40 min. KH-4; film capsule recovered 4.1 days later. Erratic vehicle attitude. Radiation fog minimal..

• KH-4 9045 - . Payload: KH-4 s/n 9045 / Agena D 1154. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-4. Decay Date: 1962-10-08 . USAF Sat Cat: 427 . COSPAR: 1962-B-Beta-1. Apogee: 388 km (241 mi). Perigee: 190 km (110 mi). Inclination: 65.40 deg. Period: 90.30 min. KH-4. First use of stellar camera, erratic vehicle attitude, numerous light leaks..

• Starfish Radiation 1 - . Payload: Star-Rad 1 / Agena D 1401. Mass: 1,100 kg (2,400 lb). Nation: USA. Agency: USAF. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Starfish. Decay Date: 1967-10-05 . USAF Sat Cat: 444 . COSPAR: 1962-B-Kappa-1. Apogee: 5,458 km (3,391 mi). Perigee: 197 km (122 mi). Inclination: 71.40 deg. Period: 146.50 min. Artificial radiation data..

• KH-4 9049 - . Payload: KH-4 s/n 9049 / Agena D 1155. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-4. Decay Date: 1962-12-08 . USAF Sat Cat: 490 . COSPAR: 1962-B-Sigma-1. Apogee: 273 km (169 mi). Perigee: 194 km (120 mi). Inclination: 65.10 deg. Period: 89.20 min. KH-4. Mission failed. During air catch chute tore, capsule sank..

• KH-4 9056 - . Payload: KH-4 s/n 9056 / Agena D 1166 / OPS 0999. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: CIA, NRO. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-4. Decay Date: 1963-07-26 . USAF Sat Cat: 609 . COSPAR: 1963-025A. Apogee: 338 km (210 mi). Perigee: 199 km (123 mi). Inclination: 81.60 deg. Period: 89.90 min. KH-4. Experimental camera carried. Film affected by light leaks..

• Hitch Hiker 1 - . Payload: P-11 No. 2. Mass: 80 kg (176 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: SIGINT. Spacecraft Bus: P 11. Spacecraft: SSF. USAF Sat Cat: 614 . COSPAR: 1963-025B. Apogee: 2,506 km (1,557 mi). Perigee: 323 km (200 mi). Inclination: 82.10 deg. Period: 114.10 min. Radiation data. First successful flight of P-11 bus, mainly used for radar signals intelligence gathering..

• KH 4A-07 - . Payload: KH-6 s/n 8003 / Agena D 1167 / OPS 1370. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: CIA, NRO. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-6. Decay Date: 1963-08-12 . USAF Sat Cat: 626 . COSPAR: 1963-032A. Apogee: 455 km (282 mi). Perigee: 152 km (94 mi). Inclination: 74.90 deg. Period: 90.60 min. KH-6. Third and final KH-6 mission (LANYARD). Mission was successful but image quality was poor. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..

• KH-4A 1002 - . Payload: KH-4A s/n 1002 / Agena D 1163 / OPS 1353. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: CIA, NRO. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-4A. Decay Date: 1963-10-12 . USAF Sat Cat: 668 . COSPAR: 1963-037A. Apogee: 442 km (274 mi). Perigee: 162 km (100 mi). Inclination: 74.80 deg. Period: 90.60 min. KH-4A. Severe light leaks, 1002-2 never recovered, indefinite postponement of KH-4A series..

• KH-4 9060 - . Payload: KH-4 s/n 9060. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-4. Decay Date: 1963-11-09 . KH-4. Mission failed..

• SRV 632 - . Mass: 1,200 kg (2,600 lb). Nation: USA. Agency: USAF. Spacecraft Bus: WS-117. Spacecraft: KH-4.

• KH-4 9062 - . Payload: KH-4 s/n 9062 / Agena D 1168 / OPS 1388. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: CIA, NRO. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-4. Decay Date: 1964-01-08 . USAF Sat Cat: 718 . COSPAR: 1963-055A. Apogee: 337 km (209 mi). Perigee: 178 km (110 mi). Inclination: 64.80 deg. Period: 89.70 min. KH-4; deployed ELINT subsatellite. Corona static fogged much of film..

• P-11 motor - . Mass: 1,200 kg (2,600 lb). Nation: USA. Agency: USAF. Spacecraft Bus: WS-117. Spacecraft: KH-4. Decay Date: 1964-01-08 . COSPAR: 1963-055xx.

• Hitch Hiker 3 - . Payload: P-11 s/n A4. Mass: 80 kg (176 lb). Nation: USA. Agency: NRO, USAF. Class: Surveillance. Type: SIGINT. Spacecraft Bus: P 11. Spacecraft: SSF. Decay Date: 1964-11-07 . USAF Sat Cat: 719 . COSPAR: 1963-055B. Apogee: 394 km (244 mi). Perigee: 316 km (196 mi). Inclination: 64.50 deg. Period: 91.70 min. Radar monitoring..

• OPS 3367A - . Payload: DAPP / OPS 3367 A. Mass: 130 kg (280 lb). Nation: USA. Agency: USAF. Class: Technology. Type: Military technology satellite. Spacecraft: AFP-43. USAF Sat Cat: 734 . COSPAR: 1964-002B. Apogee: 810 km (500 mi). Perigee: 789 km (490 mi). Inclination: 99.00 deg. Period: 100.90 min. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• OPS 3367B - . Payload: DAPP / OPS 3367 B. Mass: 130 kg (280 lb). Nation: USA. Agency: USAF. Class: Technology. Type: Military technology satellite. Spacecraft: AFP-43. USAF Sat Cat: 735 . COSPAR: 1964-002C. Apogee: 815 km (506 mi). Perigee: 791 km (491 mi). Inclination: 99.00 deg. Period: 100.90 min. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• KH-5 9065A - . Payload: KH-5 s/n 9065A / OPS 3236. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: CIA, NRO. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-5. Decay Date: 1965-06-02 . USAF Sat Cat: 811 . COSPAR: 1964-030A. Apogee: 362 km (224 mi). Perigee: 352 km (218 mi). Inclination: 114.90 deg. Period: 91.70 min. KH-5; carried Star Flash experiment. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..

• Starflash 1A - . Nation: USA. Agency: USAF. Spacecraft: Starflash. COSPAR: 1964-030xx.

• KH-5 9066A - . Payload: KH-5 s/n 9066A / Agena D 1603 / OPS 2739. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: CIA, NRO. Class: Surveillance. Type: Military surveillance satellite. Spacecraft Bus: WS-117. Spacecraft: KH-5. Decay Date: 1965-03-31 . USAF Sat Cat: 861 . COSPAR: 1964-048A. Apogee: 363 km (225 mi). Perigee: 351 km (218 mi). Inclination: 114.90 deg. Period: 91.70 min. KH-5. 15% of stellar film degraded by flare. Image smearing on leading edge of main camera film. Final ARGON mission. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..

• Starflash 1B - . Nation: USA. Agency: USAF. Spacecraft: Starflash. Decay Date: 1965-03-31 . USAF Sat Cat: 861 . COSPAR: 1964-048xx. Apogee: 200 km (120 mi). Perigee: 196 km (121 mi). Inclination: 115.00 deg. Period: 88.50 min.

• Transit O-1 - . Payload: NNS 30010 / Ablestar 016 / OPS 5798. Mass: 60 kg (132 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. USAF Sat Cat: 897 . COSPAR: 1964-063B. Apogee: 1,077 km (669 mi). Perigee: 1,046 km (649 mi). Inclination: 90.20 deg. Period: 106.40 min. Naval Avionics Facility-assembled production spacecraft. Failed after a few days operation..

• Calsphere 2 - . Payload: Dragsphere 2. Mass: 10 kg (22 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Radar calibration target. Spacecraft: Calsphere. USAF Sat Cat: 902 . COSPAR: 1964-063E. Apogee: 1,078 km (669 mi). Perigee: 1,049 km (651 mi). Inclination: 90.20 deg. Period: 106.50 min. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• Calsphere 1 - . Payload: Dragsphere 1. Mass: 1.00 kg (2.20 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Radar calibration target. Spacecraft: Calsphere. USAF Sat Cat: 900 . COSPAR: 1964-063C. Apogee: 1,034 km (642 mi). Perigee: 997 km (619 mi). Inclination: 90.10 deg. Period: 105.50 min. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• Transit 5E-5 - . Payload: APL SN 43 / OPS 6582. Mass: 78 kg (171 lb). Nation: USA. Agency: USN. Program: Transit. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Transit. USAF Sat Cat: 959 . COSPAR: 1964-083C. Apogee: 1,064 km (661 mi). Perigee: 1,007 km (625 mi). Inclination: 89.80 deg. Period: 105.90 min. Celestial UV, magnetic field data..

• Transit O-2 - . Payload: NNS 30020 / OPS 6582. Mass: 60 kg (132 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. USAF Sat Cat: 965 . COSPAR: 1964-083D. Apogee: 1,079 km (670 mi). Perigee: 1,020 km (630 mi). Inclination: 89.80 deg. Period: 106.20 min. Naval Avionics Facility-assembled production spacecraft. Failed after a few days operation..

• Solrad 6B - . Payload: NRL PL142 / OPS 4988 / Poppy 4B (Poppy 24-inch). Mass: 40 kg (88 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Naval SIGINT. Spacecraft: Poppy. USAF Sat Cat: 1271 . COSPAR: 1965-016A. Apogee: 924 km (574 mi). Perigee: 896 km (556 mi). Inclination: 70.10 deg. Period: 103.20 min.

  A Thor/Agena D booster was employed to launch eight military satellites into orbit from Vandenberg AFB. This was the largest number of individual payloads yet orbited by the United States with one launch vehicle. First launch of a quadruplet of Poppy naval signals intelligence satellites, which would lead to the NOSS production series. Official and secondary mission: Solar radiation data.

• GGSE 3 - . Payload: NRL PL144 / Poppy 4D (Poppy 24-inch). Mass: 4.00 kg (8.80 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Naval SIGINT. Spacecraft: Poppy. USAF Sat Cat: 1292 . COSPAR: 1965-016C. Apogee: 915 km (568 mi). Perigee: 886 km (550 mi). Inclination: 70.10 deg. Period: 103.00 min. Poppy naval signals intelligence satellite. Official and secondary mission: Gravity gradient stabilization tests. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A)..

• GGSE 2 - . Payload: NRL PL143 / Poppy 4C (Poppy 24-inch). Mass: 4.00 kg (8.80 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Naval SIGINT. Spacecraft: Poppy. USAF Sat Cat: 1244 . COSPAR: 1965-016B. Apogee: 925 km (574 mi). Perigee: 898 km (557 mi). Inclination: 70.10 deg. Period: 103.20 min. Poppy naval signals intelligence satellite. Official and secondary mission: Gravity gradient stabilization tests. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A)..

• Solrad 7B - . Payload: NRL PL141 / Poppy 4A (Poppy 24-inch). Mass: 47 kg (103 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Naval SIGINT. Spacecraft: Poppy. USAF Sat Cat: 1291 . COSPAR: 1965-016D. Apogee: 928 km (576 mi). Perigee: 901 km (559 mi). Inclination: 70.10 deg. Period: 103.30 min. Solar radiation monitoring. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• Oscar 3 - . Mass: 14 kg (30 lb). Nation: USA. Agency: OSCAR. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: Oscar. USAF Sat Cat: 1293 . COSPAR: 1965-016F. Apogee: 900 km (550 mi). Perigee: 876 km (544 mi). Inclination: 70.10 deg. Period: 102.80 min.

  OSCAR III was launched piggyback with seven United States Air Force satellites. Weight 16.3 kg. It was the first amateur satellite to operate from solar power and relay signals from Earth. OSCAR III was the first true amateur satellite relaying voice contacts in the VHF 2 meter band through a 1 W 50 kHz wide linear transponder (146 MHz uplink and 144 MHz downlink). OSCAR III's transponder lasted 18 days. More than 1000 amateurs in 22 countries communicated through the linear transponder. The two beacon transmitters continued operating for several months.

  Note: Designed, built, and tested, a predecssor, OSCAR* was never launched. Similar in design to OSCAR I and II, OSCAR* contained a 250 mW beacon with phase-coherent keying. OSCAR* was never launched as the workers decided to focus their efforts on the first relay satellite -- OSCAR III.

• SURCAL 2B - . Mass: 5.00 kg (11.00 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Radar calibration target. Spacecraft: SURCAL. Decay Date: 1981-03-27 . USAF Sat Cat: 1310 . COSPAR: 1965-016G. Apogee: 947 km (588 mi). Perigee: 902 km (560 mi). Inclination: 70.10 deg. Period: 103.50 min. Surveillance Calibration. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• DODECAPOLE 1/Porcupine 1 - . Payload: Dodecapole 1. Mass: 4.00 kg (8.80 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Radar calibration target. Spacecraft: DODECAPOLE. USAF Sat Cat: 1272 . COSPAR: 1965-016H. Apogee: 930 km (570 mi). Perigee: 901 km (559 mi). Inclination: 70.10 deg. Period: 103.30 min.

  A Thor/Agena D booster was employed to launch eight military satellites into orbit from Vandenberg AFB. This was the largest number of individual payloads yet orbited by the United States with one launch vehicle. Surveillance calibration. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• SECOR 3 - . Payload: EGRS 3. Mass: 18 kg (39 lb). Nation: USA. Agency: USA ACE. Class: Earth. Type: Geodetic satellite. Spacecraft: SECOR. USAF Sat Cat: 1208 . COSPAR: 1965-016E. Apogee: 925 km (574 mi). Perigee: 898 km (557 mi). Inclination: 70.10 deg. Period: 103.20 min. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• OPS 8411 - . Payload: Ferret 8 / Agena D 2702. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: NRO, USAF. Class: Surveillance. Type: SIGINT. Spacecraft: Ferret. Decay Date: 1968-12-18 . USAF Sat Cat: 1447 . COSPAR: 1965-055A. Apogee: 512 km (318 mi). Perigee: 471 km (292 mi). Inclination: 70.20 deg. Period: 94.50 min.

• OPS 1439 - . Payload: Ferret 9 / Agena D 2703. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: NRO, USAF. Class: Surveillance. Type: SIGINT. Spacecraft: Ferret. Decay Date: 1969-09-26 . USAF Sat Cat: 1997 . COSPAR: 1966-009A. Apogee: 511 km (317 mi). Perigee: 507 km (315 mi). Inclination: 82.00 deg. Period: 94.70 min.

• OPS 1584 - . Payload: Ferret 10 / Agena D 2731. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: NRO, USAF. Class: Surveillance. Type: SIGINT. Spacecraft: Ferret. Decay Date: 1969-04-05 . USAF Sat Cat: 2634 . COSPAR: 1966-118A. Apogee: 495 km (307 mi). Perigee: 487 km (302 mi). Inclination: 75.00 deg. Period: 94.40 min.

• Surcal 160 - . Payload: NRL PL160 / Agena D 2704. Mass: 2.00 kg (4.40 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Radar calibration target. Spacecraft: Surcal. USAF Sat Cat: 2825 . COSPAR: 1967-053B. Apogee: 927 km (576 mi). Perigee: 923 km (573 mi). Inclination: 69.90 deg. Period: 103.50 min. 20 inch dia. calibration sphere. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• Calsphere 4 - . Payload: Agena D 2704 / OPS 5712. Nation: USA. Agency: NRL. Class: Surveillance. Type: Radar calibration target. Spacecraft: Calsphere. USAF Sat Cat: 2826 . COSPAR: 1967-053A. Apogee: 834 km (518 mi). Perigee: 815 km (506 mi). Inclination: 69.90 deg. Period: 101.40 min. The last Air Force Thor/Agena D, SLV-2 #443 and SS-01B #2704, was launched from Vandenberg. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• Surcal (153) - . Payload: NRL PL153 / OPS 5712 / Poppy 5C (Poppy multifacete. Nation: USA. Agency: NRL. Class: Surveillance. Type: Naval SIGINT. Spacecraft: Poppy. USAF Sat Cat: 2874 . COSPAR: 1967-053H. Apogee: 912 km (566 mi). Perigee: 905 km (562 mi). Inclination: 70.00 deg. Period: 103.20 min. Poppy naval signals intelligence satellite. Official and secondary mission: Space craft engaged in investigation of spaceflight techniques and technology (US Cat A)..

• Surcal (151) - . Payload: NRL PL151 / OPS 5712 / Poppy 5A (Poppy 24-inch). Mass: 4.00 kg (8.80 lb). Nation: USA. Agency: NRL. Class: Surveillance. Type: Naval SIGINT. Spacecraft: Poppy. USAF Sat Cat: 2873 . COSPAR: 1967-053G. Apogee: 910 km (560 mi). Perigee: 902 km (560 mi). Inclination: 70.00 deg. Period: 103.10 min. Poppy naval signals intelligence satellite. Official and secondary mission: Space craft engaged in investigation of spaceflight techniques and technology (US Cat A)..

• Calsphere 3 - . Payload: NRL PL159. Mass: 38 kg (83 lb). Nation: USA. Agency: NRL. Class: Surveillance. Type: Radar calibration target. Spacecraft: Calsphere. USAF Sat Cat: 2872 . COSPAR: 1967-053F. Apogee: 906 km (562 mi). Perigee: 900 km (550 mi). Inclination: 70.00 deg. Period: 103.10 min. Surveillance Calibration. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• Timation 1 - . Mass: 700 kg (1,540 lb). Nation: USA. Agency: NRL. Program: Navstar. Class: Technology. Type: Navigation technology satellite. Spacecraft: Timation. USAF Sat Cat: 2847 . COSPAR: 1967-053E. Apogee: 900 km (550 mi). Perigee: 894 km (555 mi). Inclination: 70.00 deg. Period: 102.90 min. Navigation experiments leading eventually to Navstar/GPS system. Operated for 74 months..

• GGSE 5 - . Payload: NRL PL154 / Poppy 5D (Poppy multifaceted). Mass: 4.00 kg (8.80 lb). Nation: USA. Agency: NRL. Class: Surveillance. Type: Naval SIGINT. Spacecraft: Poppy. USAF Sat Cat: 2834 . COSPAR: 1967-053D. Apogee: 913 km (567 mi). Perigee: 906 km (562 mi). Inclination: 70.00 deg. Period: 103.20 min. Poppy naval signals intelligence satellite. Official and secondary mission: Gravity gradient stabilization tests. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A)..

• GGSE 4 - . Payload: NRL PL152 / Poppy 5B (Poppy multifaceted). Mass: 4.00 kg (8.80 lb). Nation: USA. Agency: NRL. Class: Surveillance. Type: Naval SIGINT. Spacecraft: Poppy. USAF Sat Cat: 2828 . COSPAR: 1967-053C. Apogee: 910 km (560 mi). Perigee: 903 km (561 mi). Inclination: 70.00 deg. Period: 103.10 min.

  Second launch of a quadruplet of Poppy naval signals intelligence satellites, which would lead to the NOSS production series. Official and secondary mission: Gravity gradient stabilization tests. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• SURCAL 150B - . Payload: NRL PL150B. Mass: 2.00 kg (4.40 lb). Nation: USA. Agency: NRL. Class: Surveillance. Type: Radar calibration target. Spacecraft: SURCAL. USAF Sat Cat: 2909 . COSPAR: 1967-053J. Apogee: 816 km (507 mi). Perigee: 805 km (500 mi). Inclination: 70.00 deg. Period: 101.10 min. The last Air Force Thor/Agena D, SLV-2 #443 and SS-01B #2704, was launched from Vandenberg. 16 inch dia. calibration sphere. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• OPS 1879 - . Payload: Ferret 11 / Agena D 2732. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: NRO, USAF. Class: Surveillance. Type: SIGINT. Spacecraft: Ferret. Decay Date: 1969-06-05 . USAF Sat Cat: 2890 . COSPAR: 1967-071A. Apogee: 608 km (377 mi). Perigee: 390 km (240 mi). Inclination: 75.10 deg. Period: 94.50 min.

• OPS 1965 - . Payload: Ferret 12 / Agena D 2733. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: NRO, USAF. Class: Surveillance. Type: SIGINT. Spacecraft: Ferret. Decay Date: 1970-07-07 . USAF Sat Cat: 3097 . COSPAR: 1968-004A. Apogee: 536 km (333 mi). Perigee: 462 km (287 mi). Inclination: 75.10 deg. Period: 94.60 min.

  The last scheduled Air Force Thrust Augmented Thor/Agena (SLV-2A //498/SS-01B #2733) to be launched from Vandenberg AFB was the 150th Thor/ Agena vehicle fired from there since Discoverer I was launched on 28 February 1959. From now on, the Air Force would use the more advanced Long Tank Thrust Augmented Thor (SLV-2G) - Thorad - and the newer SLV-2H.

• Explorer 41 - . Payload: IMP G. Mass: 174 kg (383 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. Decay Date: 1972-12-23 . USAF Sat Cat: 3990 . COSPAR: 1969-053A. Apogee: 98,159 km (60,993 mi). Perigee: 80,374 km (49,941 mi). Inclination: 86.00 deg. Period: 4,906.30 min. Cislunar radiation data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• ITOS 1 - . Payload: Tiros M. Mass: 309 kg (681 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 4320 . COSPAR: 1970-008A. Apogee: 1,479 km (919 mi). Perigee: 1,434 km (891 mi). Inclination: 101.80 deg. Period: 115.00 min.

  NASA successfully launched the Improved Tiros Operational Satellite (ITOS I) (TIROS-M) from Vandenberg AFB aboard a two-stage, Long Tank Thrust Augmented Thor/Delta (SLV-2K), Thorad/Delta, using six solid-propellaiit, strap-on Thiokol TX 354-5 Castor II motors. This was the first use of the "Super Six" Thor/Delta (DSV-3N-6) booster vehicle that employed the six Castor II motors, three of which ignited 30 seconds after lift-off. Generating nearly 600,000 pounds of thrust, the new launch vehicle could orbit a spacecraft weighing more than twice as much as the previous Tiros Operational Satellites. Improved TIROS Operational Satellite. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• Oscar 5 - . Payload: Australis-Oscar 5. Mass: 18 kg (39 lb). Nation: Australia. Agency: Clemson. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: Oscar. USAF Sat Cat: 4321 . COSPAR: 1970-008B. Apogee: 1,478 km (918 mi). Perigee: 1,434 km (891 mi). Inclination: 101.80 deg. Period: 115.00 min.

  Australis-OSCAR 5 was launched piggyback with ITOS-1 (TIROS-M weather satellite. Weight 17.7 kg (9 kg of which was battery mass). Box shaped 304 x 431 x 152 mm. 2 meter monopole and 10 meter dipole antennas. It was the first amateur satellite to be remotely controlled. Built by students at The University of Melbourne, Melbourne, Victoria, Australia. Battery powered, Australis-OSCAR 5 transmitted telemetry on both 2 meter (144.050 MHz at 50 mW) and 10 meter (29.450 MHz at 250 mW) bands that operated for 23 and 46 days respectively. Passive magnetic attitude stabilization was performed by carrying two bar magnets to align with the Earth's magnetic field in order to provide a favorable antenna footprint. The University of Melbourne compiled tracking reports from hundreds of stations in 27 countries.

• NOAA 1 - . Payload: ITOS A. Mass: 306 kg (674 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 4793 . COSPAR: 1970-106A. Apogee: 1,473 km (915 mi). Perigee: 1,423 km (884 mi). Inclination: 101.70 deg. Period: 114.80 min. Built for NASA; operated by NOAA. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• CEPE - . Nation: USA. Agency: NASA Greenbelt. Program: Tiros. Spacecraft: CEPE. USAF Sat Cat: 4794 . COSPAR: 1970-106B. Apogee: 1,484 km (922 mi). Perigee: 1,426 km (886 mi). Inclination: 101.70 deg. Period: 114.92 min.

• Landsat 1 - . Payload: ERTS A. Mass: 816 kg (1,798 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: Nimbus. Spacecraft: Landsat 1-2-3. USAF Sat Cat: 6126 . COSPAR: 1972-058A. Apogee: 909 km (564 mi). Perigee: 898 km (557 mi). Inclination: 99.10 deg. Period: 103.10 min.

  The first Long Tank Thrust Augmented Thor/Delta to be launched from Vandenberg AFB using nine solid rocket motors successfully placed the Environmental Resources Technology Satellite (ERTS-A) in orbit. Earth Resources Technology Satellite. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• NOAA 2 - . Payload: ITOS D. Mass: 344 kg (758 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 6235 . COSPAR: 1972-082A. Apogee: 1,455 km (904 mi). Perigee: 1,449 km (900 mi). Inclination: 101.80 deg. Period: 114.90 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Oscar 6 - . Payload: Amsat-Oscar-6. Mass: 16 kg (35 lb). Nation: USA. Agency: AmSat. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: Oscar. USAF Sat Cat: 6236 . COSPAR: 1972-082B. Apogee: 1,455 km (904 mi). Perigee: 1,449 km (900 mi). Inclination: 101.70 deg. Period: 114.90 min.

  AMSAT-OSCAR 6 was launched piggyback with ITOS-D (NOAA 2). AO-6 was the first phase 2 satellite (Phase II-A). Weight 16 kg. Box shaped 430 x 300 x 150 mm. Quarter-wave monopole antennas (144 and 435 MHz) and half-wave dipole antenna (29 MHz). Firsts: complex control system using discrete logic; satellite-to-satellite relay communication via AO-7; demonstrated doppler-location of ground station for search and rescue; demonstrated low-cost medical data relay from remote locations. Equipped with solar panels powering NiCd batteries, AO-6 provided 24 V at 3.5 W power to three transponders. It carried a Mode A transponder (100 kHz wide at 1 W) and provided store-and-forward morse and teletype messages (named Codestore) for later transmission. AO-6 lasted 4.5 years until a battery failure ceased operation on June 21, 1977. Subsystems were built in the United States, Australia, and Germany.

• Nimbus 5 - . Payload: Nimbus E. Mass: 722 kg (1,591 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Weather satellite. Spacecraft: Nimbus. USAF Sat Cat: 6305 . COSPAR: 1972-097A. Apogee: 1,101 km (684 mi). Perigee: 1,088 km (676 mi). Inclination: 100.10 deg. Period: 107.20 min.

  Environmental research. Primary experiments included a temperature-humidity infrared radiometer (THIR) for measuring day and night surface and cloudtop temperatures as well as the water vapor content of the upper atmosphere, electrically scanning microwave radiometer (ESMR) for mapping the microwave radiation from the earth's surface and atmosphere, infrared temperature profile radiometer (ITPR) for obtaining vertical profiles of temperature and moisture, Nimbus E microwave spectrometer (NEMS) for determining tropospheric temperature profiles, atmospheric water vapor abundances, and cloud liquid water contents, selective chopper radiometer (SCR) for observing the global temperature structure of the atmosphere, and a surface composition mapping radiometer (SCMR) for measuring the differences in the thermal emission characteristics of the earth's surface.

• ITOS E - . Payload: ITOS E. Mass: 345 kg (760 lb). Nation: USA. Agency: NASA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. Decay Date: 1973-07-16 . Improved TIROS Operational System..

• NOAA 3 - . Payload: ITOS F. Mass: 345 kg (760 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 6920 . COSPAR: 1973-086A. Apogee: 1,510 km (930 mi). Perigee: 1,501 km (932 mi). Inclination: 102.10 deg. Period: 116.10 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Explorer 51 - . Payload: AE C. Mass: 658 kg (1,450 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Atmosphere satellite. Spacecraft: AE. Decay Date: 1978-12-12 . USAF Sat Cat: 6977 . COSPAR: 1973-101A. Apogee: 4,306 km (2,675 mi). Perigee: 155 km (96 mi). Inclination: 68.10 deg. Period: 132.50 min. Atmospheric Explorer; upper atmospheric research. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• NOAA 4 - . Payload: ITOS G. Mass: 340 kg (740 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 7529 . COSPAR: 1974-089A. Apogee: 1,459 km (906 mi). Perigee: 1,445 km (897 mi). Inclination: 101.80 deg. Period: 114.90 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Intasat 1 - . Payload: Intasat. Mass: 20 kg (44 lb). Nation: Spain. Agency: INTA. Class: Technology. Type: Communications technology satellite. Spacecraft: Intasat. USAF Sat Cat: 7531 . COSPAR: 1974-089C. Apogee: 1,459 km (906 mi). Perigee: 1,442 km (896 mi). Inclination: 101.80 deg. Period: 114.90 min.

• Oscar 7 - . Payload: Amsat-Oscar-7. Mass: 29 kg (63 lb). Nation: USA. Agency: AmSat. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: Oscar. USAF Sat Cat: 7530 . COSPAR: 1974-089B. Apogee: 1,459 km (906 mi). Perigee: 1,440 km (890 mi). Inclination: 101.80 deg. Period: 114.90 min.

  AMSAT-OSCAR 7 was launched piggyback with ITOS-G (NOAA 4) and the Spanish INTASAT. The second phase 2 satellite (Phase II-B). Weight 28.6 kg. Octahedrally shaped 360 mm high and 424 mm in diameter. Circularly polarized canted turnstile VHF/UHF antenna system and HF dipole. Firsts: Satellite-to-satellite relay communication via AO-6; Early demonstrations of low-budget medical data relay and doppler location of ground transmitters for search-and-rescue operations were done using this satellite. AO-7 was fully operational for 6.5 years until a battery failed in mid 1981. However the satellite was still functional in day-side passes when its ever-degrading solar cells could function, and was still responding to amateurs as of August 2006. Additional Details: here....

• Landsat 2 - . Payload: Landsat B. Mass: 953 kg (2,101 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: Nimbus. Spacecraft: Landsat 1-2-3. USAF Sat Cat: 7615 . COSPAR: 1975-004A. Apogee: 913 km (567 mi). Perigee: 900 km (550 mi). Inclination: 99.30 deg. Period: 103.10 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Geos 3 - . Payload: GEOS C. Mass: 341 kg (751 lb). Nation: USA. Agency: NASA Wallops. Class: Astronomy. Type: Solar satellite. Spacecraft: Geos. USAF Sat Cat: 7734 . COSPAR: 1975-027A. Apogee: 848 km (526 mi). Perigee: 817 km (507 mi). Inclination: 115.00 deg. Period: 101.60 min.

  Geodynamics Experimental Ocean Satellite. The mission of GEOS 3 (Geodynamics Experimental Ocean Satellite) was to provide the stepping stone between the National Geodetic Satellite Program (NGSP) and the Earth and Ocean Physics Application Program. It provided data to refine the geodetic and geophysical results of the NGSP and served as a test for new systems. A major achievment was the flight of a radar altimeter. Further mission objectives: intercomparison of tracking systems, investigation of solid-earth dynamic phenomena through precision laser tracking, refinement of orbit determination techniques, determination of interdatum ties and gravity models, and support of the calibration and position determination of NASA Spaceflight Tracking and Data Network (STDN) S-band tracking stations.

• Nimbus 6 - . Payload: Nimbus F. Mass: 829 kg (1,827 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Weather satellite. Spacecraft: Nimbus. USAF Sat Cat: 7924 . COSPAR: 1975-052A. Apogee: 1,114 km (692 mi). Perigee: 1,101 km (684 mi). Inclination: 100.00 deg. Period: 107.40 min.

  Environmental research. The experiments selected for Nimbus-6 were the earth radiation budget (ERB), electrically scanning microwave radiometer (ESMR), high-resolution infrared radiation sounder (HIRS), limb radiance inversion radiometer (LRIR), pressure modulated radiometer (PMR), scanning microwave spectrometer (SCAMS), temperature-humidity infrared radiometer (THIR), tracking and data relay experiment (T+DRE), and the tropical wind energy conversion and reference level experiment (TWERLE). This complement of advanced sensors was capable of mapping tropospheric temperature, water vapor abundance, and cloud water content; providing vertical profiles of temperature, ozone, and water vapor; transmitting real-time data to a geostationary spacecraft (ATS 6); and yielding data on the earth's radiation budget.

• COS-B - . Payload: COS B. Mass: 280 kg (610 lb). Nation: Europe. Agency: ESA. Class: Technology. Type: Navigation technology satellite. Spacecraft: COS. Decay Date: 1986-01-18 . USAF Sat Cat: 8062 . COSPAR: 1975-072A. Apogee: 99,002 km (61,516 mi). Perigee: 442 km (274 mi). Inclination: 90.30 deg. Period: 2,203.90 min.

  Eighth CERS/ESRO satellite, first European Space Agency satellite. Launch time 0147:59 GMT. Argument of perigee 344.7 deg. Also registered by the United States in A/AC.105/INF.331 as 1975-72A, category B satellite with orbit 2203.9 min, 442 x 99002 km x 9 0.3 deg.

• Explorer 54 - . Payload: AE D. Mass: 676 kg (1,490 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Atmosphere satellite. Spacecraft: AE. Decay Date: 1976-03-12 . USAF Sat Cat: 8353 . COSPAR: 1975-096A. Apogee: 3,819 km (2,373 mi). Perigee: 151 km (93 mi). Inclination: 90.10 deg. Period: 126.80 min. Atmospheric Explorer; atmospheric research. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Lageos - . Payload: Lageos 1. Mass: 411 kg (906 lb). Nation: USA. Agency: NASA Huntsville. Class: Earth. Type: Geodetic satellite. Spacecraft: Lageos. USAF Sat Cat: 8820 . COSPAR: 1976-039A. Apogee: 5,947 km (3,695 mi). Perigee: 5,839 km (3,628 mi). Inclination: 109.90 deg. Period: 225.50 min.

  LAGEOS (Laser Geodetic Satellite) was a very dense (high mass-to-area ratio) laser retroreflector satellite which provided a permanent reference point in a very stable orbit for such precision earth-dynamics measurements as crustal motions, regional strains, fault motions, polar motion and earth-rotation variations, solid earth tides, and other kinematic and dynamic parameters associated with earthquake assessment and alleviation. The performance in orbit of LAGEOS was limited only by degradation of the retroreflectors, so many decades of useful life can be expected. The high mass-to-area ratio and the precise, stable (attitude-independent) geometry of the spacecraft, together with the orbit, made this satellite the most precise position reference available. Because it is visible in all parts of the world and has an extended operation life in orbit, LAGEOS can serve as a fundamental standard for decades. Additional Details: here....

• NOAA 5 - . Payload: ITOS H. Mass: 340 kg (740 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 9057 . COSPAR: 1976-077A. Apogee: 1,523 km (946 mi). Perigee: 1,507 km (936 mi). Inclination: 102.30 deg. Period: 116.30 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Landsat 3 - . Payload: Landsat C. Mass: 960 kg (2,110 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: Nimbus. Spacecraft: Landsat 1-2-3. USAF Sat Cat: 10702 . COSPAR: 1978-026A. Apogee: 915 km (568 mi). Perigee: 895 km (556 mi). Inclination: 98.90 deg. Period: 103.10 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• PIX - . Payload: PIX 1 / Delta 139. Mass: 350 kg (770 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Navigation technology satellite. Spacecraft: PIX. Decay Date: 1981-01-27 . USAF Sat Cat: 10704 . COSPAR: 1978-026C. Apogee: 920 km (570 mi). Perigee: 903 km (561 mi). Inclination: 99.10 deg. Period: 103.20 min. Plasma Interaction Experiment. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• Oscar 8 - . Payload: Amsat-Oscar-8. Mass: 27 kg (59 lb). Nation: USA. Agency: AmSat. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: Oscar. USAF Sat Cat: 10703 . COSPAR: 1978-026B. Apogee: 903 km (561 mi). Perigee: 894 km (555 mi). Inclination: 99.20 deg. Period: 103.00 min.

  AMSAT-OSCAR 8 was launched piggyback with LandSat 3 (ERTS 3) and PIX. The third phase 2 satellite (Phase II-D). Weight 27.2 kg. Box shaped, 33 cm high, 38 x 38 cm. Circularly polarized VHF canted turnstile, UHF quarter wave monopole, and HF half-wave dipole antenna system. Another cooperative international effort (United States, Canada, Germany and Japan). AO-8 had a similar store-and-forward service as AO-7 and carried Mode A (145.850-900 MHz uplink and 29.400-500 MHz downlink) and Mode J (145.900-146.000 MHz uplink and 435.100 MHz downlink (inverted)) linear transponders and telemetry beacons on 435.095 MHz and 29.402 MHz. AO-8's primary mission was for educational applications and amateur communications. It was in operation for six years until the battery failed on June 24, 1983.

• Nimbus 7 - . Payload: Nimbus G. Mass: 907 kg (1,999 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Weather satellite. Spacecraft: Nimbus. USAF Sat Cat: 11080 . COSPAR: 1978-098A. Apogee: 957 km (594 mi). Perigee: 943 km (585 mi). Inclination: 99.00 deg. Period: 104.10 min.

  Environmental research. The experiments carried were a limb infrared monitoring of the stratosphere (LIMS), stratospheric and mesopheric sounder (SAMS), coastal-zone color scanner (CZCS), stratospheric aerosol measurement (SAM II), earth radiation budget (ERB), scanning multichannel microwave radiometer (SMMR), solar backscatter UV and total ozone mapping spectrometer (SBUV/TOMS), and temperature-humidity infrared radiometer (THIR). These sensors were capable of observing several parameters at and below the mesospheric levels. After 11 years in orbit, three experiments, SAM II, SBUV/TOMS, and ERB, were still functioning successfully.

• CAMEO - . Payload: CAMEO Li Canister/CAMEO Ba Canister. Mass: 350 kg (770 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Magnetosphere satellite. Spacecraft: CAMEO. USAF Sat Cat: 11081 . COSPAR: 1978-098B. Apogee: 968 km (601 mi). Perigee: 924 km (574 mi). Inclination: 99.40 deg. Period: 104.00 min. Released barium cloud..

• Dynamics Explorer 1 - . Payload: DE A. Mass: 403 kg (888 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Dynamics Explorer. USAF Sat Cat: 12624 . COSPAR: 1981-070A. Apogee: 23,232 km (14,435 mi). Perigee: 528 km (328 mi). Inclination: 88.60 deg. Period: 409.20 min. Dynamics Explorer 1..

• Dynamics Explorer 2 - . Payload: DE B. Mass: 403 kg (888 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Dynamics Explorer. Decay Date: 1983-02-19 . USAF Sat Cat: 12625 . COSPAR: 1981-070B. Apogee: 1,002 km (622 mi). Perigee: 304 km (188 mi). Inclination: 90.00 deg. Period: 97.80 min. Dynamics Explorer 2..

• SME - . Payload: Solar Mesosphere Explorer. Mass: 437 kg (963 lb). Nation: USA. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: SME. Decay Date: 1991-03-05 . USAF Sat Cat: 12887 . COSPAR: 1981-100A. Apogee: 337 km (209 mi). Perigee: 335 km (208 mi). Inclination: 97.60 deg. Period: 91.30 min. Solar Mesosphere Explorer. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Oscar 9 - . Payload: UoSAT 1. Mass: 52 kg (114 lb). Nation: UK. Agency: Surrey. Manufacturer: Surrey. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: SSTL-70. Decay Date: 1989-10-13 . USAF Sat Cat: 12888 . COSPAR: 1981-100B. Apogee: 374 km (232 mi). Perigee: 372 km (231 mi). Inclination: 97.60 deg. Period: 92.00 min.

  University of Surrey research microsatellite. Radio science; also carried amateur radio package. Communication and geophysics research satellite. Launch time 1127 GMT. Also registered by the United States in ST/SG/SER.E/59, with category D and orbital parameters 95.3 min, 531 x 533 km x 97.5 deg. UoSAT-OSCAR 9 was launched piggyback with Solar Mesosphere Explorer satellite. Weight 52 kg. Box shaped 740 x 420 x 420 mm. Deployable gravity gradient boom. Firsts: First on-board computer (IHU - Integrated Housekeeping Unit) for battery and attitude management, remote control, and experiments. Built by the University of Surrey in the United Kingdom, UO-9 was UoSAT's first experimental satellite. It was a scientific and educational low-Earth orbit satellite containing many experiments and beacons but no amateur transponders. UO-9 was fully operational until it re-entered October 13, 1989 from a decaying orbit after nine years of service.

• Landsat 4 - . Payload: Landsat D. Mass: 1,942 kg (4,281 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: MMS. Spacecraft: Landsat 4-5. USAF Sat Cat: 13367 . COSPAR: 1982-072A. Apogee: 705 km (438 mi). Perigee: 693 km (430 mi). Inclination: 98.20 deg. Period: 98.80 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• IRAS - . Payload: IRAS / PIX 2 #. Mass: 1,073 kg (2,365 lb). Nation: USA. Agency: JPL, NIVR. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: IRAS. USAF Sat Cat: 13777 . COSPAR: 1983-004A. Apogee: 903 km (561 mi). Perigee: 885 km (549 mi). Inclination: 99.00 deg. Period: 102.90 min. All-sky survey of astronomical IR bodies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• PIX 2 - . Payload: PIX II. Mass: 1,073 kg (2,365 lb). Nation: USA. Agency: NASA Greenbelt. Spacecraft: IRAS. USAF Sat Cat: 13778 . COSPAR: 1983-004B. Apogee: 887 km (551 mi). Perigee: 856 km (532 mi). Inclination: 100.03 deg. Period: 102.30 min.

• Exosat - . Mass: 510 kg (1,120 lb). Nation: Europe. Agency: ESA. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: Exosat. Decay Date: 1986-05-06 . USAF Sat Cat: 14095 . COSPAR: 1983-051A. Apogee: 191,878 km (119,227 mi). Perigee: 340 km (210 mi). Inclination: 72.50 deg. Period: 5,442.10 min.

  X-ray experiments. Launch time 1518 UT. Launching agency ESA. EXOSAT is a space research satellite of the European Space Agency. The scientific objectives of the EXOSAT mission are to measure the position, structural features, spectral and temporal characteristics of cosmic X-ray sources in the energy range from less than 0.1 keV to greater than 50 keV.

• Landsat 5 - . Payload: Landsat D'. Mass: 1,938 kg (4,272 lb). Nation: USA. Agency: NOAA. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: MMS. Spacecraft: Landsat 4-5. USAF Sat Cat: 14780 . COSPAR: 1984-021A. Apogee: 703 km (436 mi). Perigee: 702 km (436 mi). Inclination: 98.20 deg. Period: 98.80 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Oscar 11 - . Payload: UoSAT 2. Mass: 52 kg (114 lb). Nation: UK. Agency: Surrey. Manufacturer: Surrey. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: SSTL-70. USAF Sat Cat: 14781 . COSPAR: 1984-021B. Apogee: 670 km (410 mi). Perigee: 651 km (404 mi). Inclination: 97.80 deg. Period: 98.00 min.

  University of Surrey experimental microsatellite. Built in only 6 months, UoSAT-2 carried the first modern digital store and forward (S&F) communications payload and a prototype CCD camera. Also performed magnetospheric studies. Launch time 1759 GMT. Still operational in 2000.

• COBE - . Mass: 2,265 kg (4,993 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: COBE. USAF Sat Cat: 20322 . COSPAR: 1989-089A. Apogee: 886 km (550 mi). Perigee: 873 km (542 mi). Inclination: 98.90 deg. Period: 102.60 min. Cosmic Background Explorer; measured background galactic infrared radiation. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

• Radarsat - . Mass: 2,713 kg (5,981 lb). Nation: Canada. Agency: CSA. Class: Earth. Type: Civilian Radarsat. Spacecraft Bus: BCP-4000. Spacecraft: Radarsat. USAF Sat Cat: 23710 . COSPAR: 1995-059A. Apogee: 793 km (492 mi). Perigee: 791 km (491 mi). Inclination: 98.60 deg. Period: 100.70 min. Earth imaging with synthetic aperture radar..

• SURFSAT - . Payload: SURFSAT/Delta 229. Mass: 55 kg (121 lb). Nation: USA. Agency: MDAC. Class: Technology. Type: Navigation technology satellite. Spacecraft: SURFSAT-1. USAF Sat Cat: 23711 . COSPAR: 1995-059B. Apogee: 1,494 km (928 mi). Perigee: 934 km (580 mi). Inclination: 100.60 deg. Period: 109.70 min. Test satellite for NASA's Deep Space Network..

• Polar - . Mass: 1,300 kg (2,800 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Polar. USAF Sat Cat: 23802 . COSPAR: 1996-013A. Apogee: 50,423 km (31,331 mi). Perigee: 5,554 km (3,451 mi). Inclination: 86.30 deg. Period: 1,070.20 min. HEO. Fields and particles, auroral studies; part of International Solar Terrestrial Physics program..

• MSX - . Mass: 2,700 kg (5,900 lb). Nation: USA. Agency: BMDO. Class: Military. Type: Strategic defense satellite. Spacecraft: MSX. USAF Sat Cat: 23851 . COSPAR: 1996-024A. Apogee: 907 km (563 mi). Perigee: 897 km (557 mi). Inclination: 99.40 deg. Period: 103.10 min. LEO. Midcourse Space eXperiment; missile detection technology tests; also used for auroral and atmospheric studies .

• Iridium 8 - . Payload: Iridium s/n SV008. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2017-11-24 . USAF Sat Cat: 24792 . COSPAR: 1997-020A. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.5 degrees..

• Iridium 6 - . Payload: Iridium s/n SV006. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2017-12-23 . USAF Sat Cat: 24794 . COSPAR: 1997-020C. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.5 degrees..

• Iridium 5 - . Payload: Iridium s/n SV005. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24795 . COSPAR: 1997-020D. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.5 degrees..

• Iridium 4 - . Payload: Iridium s/n SV004. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24796 . COSPAR: 1997-020E. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.5 degrees..

• Iridium 7 - . Payload: Iridium s/n SV007. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24793 . COSPAR: 1997-020B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.4 degrees..

• Iridium 15 - . Payload: Iridium s/n SV015. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-10-14 . USAF Sat Cat: 24869 . COSPAR: 1997-034A. Apogee: 778 km (483 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees..

• Iridium 17 - . Payload: Iridium s/n SV017. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24870 . COSPAR: 1997-034B. Apogee: 778 km (483 mi). Perigee: 776 km (482 mi). Inclination: 86.39 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees..

• Iridium 20 - . Payload: Iridium s/n SV020. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24871 . COSPAR: 1997-034C. Apogee: 784 km (487 mi). Perigee: 768 km (477 mi). Inclination: 86.40 deg. Period: 100.37 min. Plane 6. Ascending node 325.7 degrees. Failed..

• Iridium 18 - . Payload: Iridium s/n SV018. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-08-19 . USAF Sat Cat: 24872 . COSPAR: 1997-034D. Apogee: 778 km (483 mi). Perigee: 776 km (482 mi). Inclination: 86.39 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees..

• Iridium 21 - . Payload: Iridium s/n SV021. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24873 . COSPAR: 1997-034E. Apogee: 640 km (390 mi). Perigee: 626 km (388 mi). Inclination: 86.39 deg. Period: 97.38 min. Plane 6. Ascending node 310.4 degrees. Failed in low orbit..

• Iridium 26 - . Payload: Iridium s/n SV026. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24903 . COSPAR: 1997-043A. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..

• Iridium 24 - . Payload: Iridium s/n SV024. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24905 . COSPAR: 1997-043C. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.3 degrees. Should be 24905, failed..

• Iridium 22 - . Payload: Iridium s/n SV022. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24907 . COSPAR: 1997-043E. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.3 degrees..

• Iridium 23 - . Payload: Iridium s/n SV023. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-03-28 . USAF Sat Cat: 24906 . COSPAR: 1997-043D. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..

• Iridium 25 - . Payload: Iridium s/n SV025. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-05-14 . USAF Sat Cat: 24904 . COSPAR: 1997-043B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..

• Iridium 19 - . Payload: Iridium s/n SV019. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-04-07 . USAF Sat Cat: 24965 . COSPAR: 1997-056A. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.4 degrees..

• Iridium 34 - . Payload: Iridium s/n SV034. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-01-08 . USAF Sat Cat: 24969 . COSPAR: 1997-056E. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.5 degrees..

• Iridium 37 - . Payload: Iridium s/n SV037. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-12-26 . USAF Sat Cat: 24966 . COSPAR: 1997-056B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.6 degrees..

• Iridium 35 - . Payload: Iridium s/n SV035. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-05-26 . USAF Sat Cat: 24968 . COSPAR: 1997-056D. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.5 degrees..

• Iridium 36 - . Payload: Iridium s/n SV036. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24967 . COSPAR: 1997-056C. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 4. Ascending node 262.4 degrees..

• Iridium 43 - . Payload: Iridium s/n SV043. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-02-11 . USAF Sat Cat: 25039 . COSPAR: 1997-069A. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.39 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees..

• Iridium 39 - . Payload: Iridium s/n SV039. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25042 . COSPAR: 1997-069D. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees..

• Iridium 41 - . Payload: Iridium s/n SV041. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-07-28 . USAF Sat Cat: 25040 . COSPAR: 1997-069B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees..

• Iridium 38 - . Payload: Iridium s/n SV038. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25043 . COSPAR: 1997-069E. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 6. Ascending node 325.6 degrees..

• Iridium 40 - . Payload: Iridium s/n SV040. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-09-23 . USAF Sat Cat: 25041 . COSPAR: 1997-069C. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.39 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees..

• Iridium 45 - . Payload: Iridium s/n SV045. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25104 . COSPAR: 1997-082A. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..

• Iridium 48 - . Payload: Iridium s/n SV048. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2001-05-05 . USAF Sat Cat: 25107 . COSPAR: 1997-082D. Apogee: 780 km (480 mi). Perigee: 775 km (481 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..

• Iridium 46 - . Payload: Iridium s/n SV046. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25105 . COSPAR: 1997-082B. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.41 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees. Should be 25105..

• Iridium 49 - . Payload: Iridium s/n SV049. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-02-13 . USAF Sat Cat: 25108 . COSPAR: 1997-082E. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..

• Iridium 47 - . Payload: Iridium s/n SV047. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-09-01 . USAF Sat Cat: 25106 . COSPAR: 1997-082C. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..

• Iridium 52 - . Payload: Iridium s/n SV052. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-11-05 . USAF Sat Cat: 25169 . COSPAR: 1998-010A. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 5. Ascending node 294.1 degrees..

• Iridium 50 - . Payload: Iridium s/n SV050. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-09-23 . USAF Sat Cat: 25172 . COSPAR: 1998-010D. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 5. Ascending node 294.2 degrees..

• Iridium 53 - . Payload: Iridium s/n SV053. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-09-30 . USAF Sat Cat: 25173 . COSPAR: 1998-010E. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 5. Ascending node 294.2 degrees..

• Iridium 54 - . Payload: Iridium s/n SV054. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25171 . COSPAR: 1998-010C. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 5. Ascending node 294.2 degrees..

• Iridium 56 - . Payload: Iridium s/n SV056. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-10-11 . USAF Sat Cat: 25170 . COSPAR: 1998-010B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 5. Ascending node 294 degrees..

• Iridium 55 - . Payload: Iridium s/n SV055. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25272 . COSPAR: 1998-019A. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 3. Ascending node 230.9 degrees..

• Iridium 60 - . Payload: Iridium s/n SV060. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25276 . COSPAR: 1998-019E. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 3. Ascending node 230.9 degrees..

• Iridium 59 - . Payload: Iridium s/n SV059. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25275 . COSPAR: 1998-019D. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 3. Ascending node 230.9 degrees..

• Iridium 58 - . Payload: Iridium s/n SV058. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25274 . COSPAR: 1998-019C. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 3. Ascending node 230.9 degrees..

• Iridium 57 - . Payload: Iridium s/n SV057. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25273 . COSPAR: 1998-019B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 3. Ascending node 230.9 degrees..

• Iridium 70 - . Payload: Iridium s/n SV070. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-10-11 . USAF Sat Cat: 25342 . COSPAR: 1998-032A. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 1. Ascending node 167.8 degrees..

• Iridium 72 - . Payload: Iridium s/n SV072. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-05-14 . USAF Sat Cat: 25343 . COSPAR: 1998-032B. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 1. Ascending node 167.8 degrees..

• Iridium 75 - . Payload: Iridium s/n SV075. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-07-10 . USAF Sat Cat: 25346 . COSPAR: 1998-032E. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 1. Ascending node 167.7 degrees. Not in service..

• Iridium 73 - . Payload: Iridium s/n SV073. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25344 . COSPAR: 1998-032C. Apogee: 778 km (483 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 1. Ascending node 167.8 degrees..

• Iridium 74 - . Payload: Iridium s/n SV074. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2017-06-11 . USAF Sat Cat: 25345 . COSPAR: 1998-032D. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 1. Ascending node 167.8 degrees..

• Iridium 82 - . Payload: Iridium s/n SV082. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25467 . COSPAR: 1998-051A. Apogee: 712 km (442 mi). Perigee: 708 km (439 mi). Inclination: 86.50 deg. Period: 99.00 min. Plane 6. Ascending node 325.6 degrees. Not in service..

• Iridium 81 - . Payload: Iridium s/n SV081. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-07-17 . USAF Sat Cat: 25468 . COSPAR: 1998-051B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 6. Ascending node 325.7 degrees..

• Iridium 80 - . Payload: Iridium s/n SV080. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-08-12 . USAF Sat Cat: 25469 . COSPAR: 1998-051C. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 6. Ascending node 325.7 degrees..

• Iridium 77 - . Payload: Iridium s/n SV077. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2017-09-22 . USAF Sat Cat: 25471 . COSPAR: 1998-051E. Apogee: 709 km (440 mi). Perigee: 707 km (439 mi). Inclination: 86.52 deg. Period: 98.96 min. Plane 6. Ascending node 325.4 degrees. Not in service..

• Iridium 79 - . Payload: Iridium s/n SV079. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2000-11-29 . USAF Sat Cat: 25470 . COSPAR: 1998-051D. Apogee: 544 km (338 mi). Perigee: 494 km (306 mi). Inclination: 86.01 deg. Period: 95.01 min. Plane 6. Ascending node 316.3 degrees. Failed in low orbit..

• Iridium 2 - . Payload: Iridium s/n SV087. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25527 . COSPAR: 1998-066A. Apogee: 603 km (374 mi). Perigee: 590 km (360 mi). Inclination: 85.60 deg. Period: 96.60 min. Plane 5. Ascending node 289.1 degrees. Parking orbit..

• Iridium 83 - . Payload: Iridium s/n SV083. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-11-05 . USAF Sat Cat: 25531 . COSPAR: 1998-066E. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 5. Ascending node 294.2 degrees..

• Iridium 84 - . Payload: Iridium s/n SV084. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-11-04 . USAF Sat Cat: 25530 . COSPAR: 1998-066D. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.40 deg. Period: 100.40 min. Plane 5. Ascending node 294.1 degrees. Raising orbit..

• Iridium 85 - . Payload: Iridium s/n SV085. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2000-12-30 . USAF Sat Cat: 25529 . COSPAR: 1998-066C. Apogee: 536 km (333 mi). Perigee: 512 km (318 mi). Inclination: 86.02 deg. Period: 95.12 min. Plane 5. Ascending node 291.1 degrees. Parking orbit..

• Iridium 86 - . Payload: Iridium s/n SV086. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-10-05 . USAF Sat Cat: 25528 . COSPAR: 1998-066B. Apogee: 712 km (442 mi). Perigee: 708 km (439 mi). Inclination: 86.50 deg. Period: 99.00 min. Plane 5. Ascending node 293.9 degrees. Raising orbit..

• ARGOS - . Payload: P91-1. Nation: USA. Agency: USAF SM. Manufacturer: Seal Beach. Class: Technology. Type: Ion engine technology satellite. Spacecraft: ARGOS. USAF Sat Cat: 25634 . COSPAR: 1999-008A. Apogee: 836 km (519 mi). Perigee: 821 km (510 mi). Inclination: 98.90 deg. Period: 101.50 min. ARGOS was a USAF Space Test Program P91-1 technology satellite, equipped with an ion engine, ionosphere, x-ray, and dust detectors. Much delayed, it finally was placed into orbit on the eleventh (!) launch attempt..

• Orsted - . Mass: 62 kg (136 lb). Nation: Denmark. Agency: DMI. Manufacturer: CRI. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Orsted. USAF Sat Cat: 25635 . COSPAR: 1999-008B. Apogee: 839 km (521 mi). Perigee: 638 km (396 mi). Inclination: 96.50 deg. Period: 99.60 min. Denmark's Orsted gravity gradient stabilised satellite was to map the Earth's magnetic field. It was managed and operated by the Danish Meteorological Institute in Copenhagen. The satellite's prime contractor was CRI , Copenhagen..

• Sunsat - . Nation: South Africa. Agency: Boeing. Manufacturer: Stellenbosch. Class: Technology. Type: Navigation technology satellite. Spacecraft: Sunsat. USAF Sat Cat: 25636 . COSPAR: 1999-008C. Apogee: 852 km (529 mi). Perigee: 641 km (398 mi). Inclination: 96.50 deg. Period: 99.80 min. Sunsat was built by students at Stellenbosch University, South Africa and carried a small imager and a message relay payload..

• Landsat 7 - . Mass: 1,969 kg (4,340 lb). Nation: USA. Agency: NASA Greenbelt. Manufacturer: Valley Forge. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: TIROS N. Spacecraft: Landsat 7. USAF Sat Cat: 25682 . COSPAR: 1999-020A. Apogee: 703 km (436 mi). Perigee: 702 km (436 mi). Inclination: 98.20 deg. Period: 98.80 min.

  The vehicle entered a 175 km x 706 km x 98.2 deg initial orbit. 57 minutes after launch the Delta stage burned again to circularize the orbit at 668 km x 698 km and Landsat 7 separated from the stage. The Delta stage then burned to depletion of its propellant, into a 184 km x 710 km x 107.5 deg orbit that would decay quickly. The Landsat 7 remote sensing satellite was to be operated by NASA/Goddard until October 2000, when operations would be transferred to the US Geological Survey.

• IMAGE - . Mass: 536 kg (1,181 lb). Nation: USA. Agency: NASA Greenbelt. Manufacturer: Lockheed. Class: Earth. Type: Ionosphere satellite. Spacecraft: IMAGE. USAF Sat Cat: 26113 . COSPAR: 2000-017A. Apogee: 45,461 km (28,248 mi). Perigee: 1,408 km (875 mi). Inclination: 89.43 deg. Period: 854.09 min.

  Imager for Magnetopause to Aurora Global Exploration was a MIDEX (mid-sized Explorer mission) developed by NASA-Goddard and the SWRI (Southwest Research Institute) of San Antonio, Texas. The spin-stabilised spacecraft carried a set of neutral atom and ultraviolet imagers, and antennae to study radio wavelength emissions from the magnetosphere plasma. The RPI radio plasma imager has four long wire antennae which will be deployed to a span of half a kilometre.

• EO-1 - . Mass: 529 kg (1,166 lb). Nation: USA. Agency: NASA Greenbelt. Manufacturer: Swales. Class: Earth. Type: Earth resources satellite. Spacecraft: EO-1. USAF Sat Cat: 26619 . COSPAR: 2000-075A. Apogee: 703 km (436 mi). Perigee: 702 km (436 mi). Inclination: 98.20 deg. Period: 98.80 min.

  First use of a Delta dual payload attach fitting. The Earth Orbiter 1 satellite was part of NASA's New Millenium Program. Complementing the New Millenium's Deep Space series, EO-1 was a NASA-Goddard satellite which demonstrated technology for the next generation Landsat. It flew in formation with Landsat-7 for comparison purposes, using a hydrazine thruster to adjust its orbit. The satellite used a MIDEX-derived bus built by Swales Aerospace; dry mass was 566 kg. The main instruments were ALI (Advanced Land Imager) and the Hyperion 220-band imaging spectrometer. At 1835 GMT the Delta second stage completed its first burn and entered a 185 x 713 km x 98.2 deg transfer orbit. At 1920 GMT the orbit was circularised and EO-1 separated at 1925 GMT into a 682 x 729 km x 98.2 deg orbit.

• Munin - . Mass: 529 kg (1,166 lb). Nation: Sweden. Agency: Seal Beach. Manufacturer: SISP. Class: Technology. Type: Navigation technology satellite. Spacecraft: Munin. USAF Sat Cat: 26621 . COSPAR: 2000-075C. Apogee: 1,797 km (1,116 mi). Perigee: 701 km (435 mi). Inclination: 95.40 deg. Period: 110.50 min.

  The small 6 kg Munin nanosatellite was built by Swedish students in collaboration with the Swedish Insitute for Space Physics (IRF) and carried a particle detector, a spectrometer, and an auroral camera. After deployment of EO-1 and SAC-C a fourth burn put the Delta second stage in a 697 x 1800 km x 95.4 deg orbit, after which Munin was ejected from the stage.

• SAC-C - . Mass: 529 kg (1,166 lb). Nation: Argentina. Agency: CONAE. Manufacturer: INVAP. Program: SAC. Class: Earth. Type: Earth resources satellite. Spacecraft: SAC-C. USAF Sat Cat: 26620 . COSPAR: 2000-075B. Apogee: 704 km (437 mi). Perigee: 701 km (435 mi). Inclination: 98.20 deg. Period: 98.80 min.

  The SAC-C Satelite de Aplicaciones Cientificas C was developed by the Argentine space agency CONAE and built by the Argentine company INVAP. The 467 kg satellite carried a battery of earth observing instruments for Argentine forestry and agriculture studies. SAC-C also carried a NASA experiment which used the distortion of GPS signals observed near the horizon to derive atmospheric conditions. The DPAF dual payload support structure, derived from Ariane's SPELDA, was ejected after deployment of the EO-1 satellite from the Delta stage to reveal SAC-C. After a further Delta burn SAC-C was ejected at 1955 GMT into a 687 x 707 km x 98.3 deg orbit.

• QuickBird 2 - . Mass: 980 kg (2,160 lb). Nation: USA. Agency: DigitalGlobe. Manufacturer: Ball. Class: Surveillance. Type: Civilian surveillance satellite. Spacecraft: BCP-2000. Decay Date: 2015-01-27 . USAF Sat Cat: 26953 . COSPAR: 2001-047A. Apogee: 471 km (292 mi). Perigee: 471 km (292 mi). Inclination: 97.20 deg. Period: 94.00 min.

  The QuickBird commercial imaging satellite was owned by DigitalGlobe (formerly EarthWatch) and used a Ball BCP2000 bus with a launch mass of 1028 kg and a dry mass of about 995 kg. The Delta upper stage entered a 185 x 472 km x 98.1 deg orbit at 1902 GMT. At 1948 GMT it reached apogee and fired again to deploy QuickBird into a 461 x 465 km x 97.2 deg orbit. The Delta then made a series of unusual depletion burns, lowering its perigee to 167 km and changing inclination to 108.9 deg.

  Quickbird 2 was to be operational after a few months of calibration and "ground-truth" checkouts to market high resolution images. The 1.0 tonne satellite was reported to be capable of images with a resolution as small as 0.6 meter, though the standard products were to be coarser. Unlike the comparable quality images from IKONOS images, some of which are currently marketed exclusively to the US military, all Quickbird 2 images may be available in the open market.

• Jason 1 - . Payload: TPFO. Mass: 485 kg (1,069 lb). Nation: France. Agency: CNES, NASA. Manufacturer: Cannes. Class: Earth. Type: Ionosphere satellite. Spacecraft Bus: Proteus. Spacecraft: Jason. USAF Sat Cat: 26997 . COSPAR: 2001-055A. Apogee: 1,344 km (835 mi). Perigee: 1,332 km (827 mi). Inclination: 66.10 deg. Period: 112.40 min.

  Oceanography satellite, launch delayed from August 10 and September 15. Jason 1 was a joint mission between CNES (the French space agency) and NASA/JPL, following on the Topex satellite which carried the Poseidon sea surface altimeter. Jason carried Poseidon 2, as well as orbital tracking experiments and a microwave radiometer which measured the amount of water vapor, allowing path delay errors to be calibrated. The satellite used the Alcatel Proteus bus and had a dry mass of 472 kg plus 28 kg of hydrazine propellant. The JASON/TIMED mission's Boeing Delta 7920-10C second stage reached an initial orbit of 215 x 1343 km x 66.2 deg at 1517 GMT. A second burn at 1559 GMT circularized at apogee to 1320 x 1330 km x 66.0 deg, and the Jason 1 satellite was ejected at 1602 GMT.

• TIMED - . Mass: 485 kg (1,069 lb). Nation: USA. Agency: CNES, NASA. Manufacturer: Cannes. Class: Astronomy. Type: Solar satellite. Spacecraft: TIMED. USAF Sat Cat: 26998 . COSPAR: 2001-055B. Apogee: 624 km (387 mi). Perigee: 623 km (387 mi). Inclination: 74.10 deg. Period: 97.20 min.

  TIMED was the first NASA Solar Terrestrial Probe, operated by Johns Hopkins Applied Physics Lab to study the thermosphere, mesosphere and lower ionosphere. TIMED was built in-house at APL and had a mass of 587 kg; the project was managed at NASA-Goddard. It measured solar and auroral energy input, atmospheric cooling rates, and atmospheric composition, temperature and wind profiles.

  Five minutes after deploying the JASON satellite, the DPAF adapter atop the Delta upper stage separated to reveal the TIMED satellite inside it. Burn 3 at 1614 GMT put Delta/TIMED in a descending 636 x 1330 km x 71.3 deg orbit; at perigee at 1706 GMT a fourth burn circularized the orbit at 627 x 640 km x 74.1 deg and TIMED was ejected six minutes later. A final depletion burn left the Delta stage in a low perigee orbit.

• Iridium 90 - . Payload: Iridium s/n SV 90. Mass: 690 kg (1,520 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 27372 . COSPAR: 2002-005A. Apogee: 684 km (425 mi). Perigee: 660 km (410 mi). Inclination: 86.60 deg. Period: 98.20 min.

• Iridium 91 - . Payload: Iridium s/n SV 91. Mass: 690 kg (1,520 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2019-01-23 . USAF Sat Cat: 27373 . COSPAR: 2002-005B. Apogee: 679 km (421 mi). Perigee: 665 km (413 mi). Inclination: 86.60 deg. Period: 98.20 min.

• Iridium 94 - . Payload: Iridium s/n SV 94. Mass: 690 kg (1,520 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. Decay Date: 2018-04-18 . USAF Sat Cat: 27374 . COSPAR: 2002-005C. Apogee: 677 km (420 mi). Perigee: 667 km (414 mi). Inclination: 86.60 deg. Period: 98.20 min.

• Iridium 95 - . Payload: Iridium s/n SV 95. Mass: 690 kg (1,520 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 27375 . COSPAR: 2002-005D. Apogee: 679 km (421 mi). Perigee: 665 km (413 mi). Inclination: 86.60 deg. Period: 98.20 min.

  Mobile Telephony satellite. Return to flight after GEM solid booster failure on GBI launch. Launch delayed from February 8, 9 and 10. Five Motorola Iridium satellites were launched for Iridium Satellite LLC, the new company that bought out the bankrupt Iridium LLC. This was the first system replenishment launch since the bankruptcy.

• Iridium 96 - . Payload: Iridium s/n SV 96. Mass: 690 kg (1,520 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 27376 . COSPAR: 2002-005E. Apogee: 679 km (421 mi). Perigee: 665 km (413 mi). Inclination: 86.60 deg. Period: 98.20 min.

• Aqua - . Payload: EOS-PM1. Mass: 2,934 kg (6,468 lb). Nation: USA. Agency: NASA. Manufacturer: TRW. Class: Earth. Type: Earth resources satellite. Spacecraft: Aqua. USAF Sat Cat: 27424 . COSPAR: 2002-022A. Apogee: 706 km (438 mi). Perigee: 699 km (434 mi). Inclination: 98.20 deg. Period: 98.80 min.

  Climatology and environment satellite. Launch delayed from December 20, 2001, and January 30, April 18 and 26, May 2. NASA's Aqua remote sensing satellite was placed in a 185 x 707 km x 98.1 deg transfer orbit at 1006 UTC. A second burn of the second stage of the Delta at 1048:58 UTC put Aqua in a 676 x 687 km x 98.2 deg orbit.

• ICESat - . Payload: EOS-LAM. Mass: 1,000 kg (2,200 lb). Nation: USA. Agency: NASA. Manufacturer: Ball. Class: Earth. Type: Sea satellite. Spacecraft: BCP-2000. Decay Date: 2010-08-30 . USAF Sat Cat: 27642 . COSPAR: 2003-002A. Apogee: 610 km (379 mi). Perigee: 593 km (368 mi). Inclination: 94.01 deg. Period: 96.56 min. Oceanography, gravimetry, altimetry mission. Delayed from March 30, May 12, August 30, September 10, December 15 and 20, 2002; and Jan. 11 and 12, 2003..

• CHIPSat - . Payload: CHIPSat BD 2. Mass: 85 kg (187 lb). Nation: USA. Agency: NASA. Manufacturer: SpaceDev. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: CHIPSat. USAF Sat Cat: 27643 . COSPAR: 2003-002B. Apogee: 601 km (373 mi). Perigee: 585 km (363 mi). Inclination: 94.01 deg. Period: 96.39 min. Astrophysics mission. Delayed from March 30, May 12, August 30, September 10, December 15 and 20, 2002; and Jan. 11 and 12, 2003..

• Gravity Probe B - . Mass: 3,145 kg (6,933 lb). Nation: USA. Agency: NASA. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: Gravity Probe-B. USAF Sat Cat: 28230 . COSPAR: 2004-014A. Apogee: 646 km (401 mi). Perigee: 640 km (390 mi). Inclination: 90.00 deg. Period: 97.60 min.

  Gravity Probe B's mission was to confirm a prediction of Einstein's theory of relativity. The physics experiment, developed by Stanford University and Lockheed Martin, was to observe the magnitude 5 star IM Pegasi for over a year, attempting to measure the tiny shifts in the spacecraft gyroscopes' orientation caused by the Lense-Thirring gravitomagnetic (or `frame-dragging') effect. To accomplish this the spacecraft carried four gyroscopes kept at 1.8 deg Kelvin by a liquid helium dewar, laser retroreflectors and two GPS receivers for orbit determination, a drag compensation system, and a 14 cm aperture quartz telescope. The satellite was also to make an accurate measurement of the already-established gravitostatic warping of spacetime due to the Earth's mass.

• Aura - . Payload: EOS-CHEM1 / T330 (AB1200). Mass: 2,967 kg (6,541 lb). Nation: USA. Agency: NASA. Manufacturer: TRW. Class: Earth. Type: Atmosphere satellite. Spacecraft: Aura. USAF Sat Cat: 28376 . COSPAR: 2004-026A. Apogee: 694 km (431 mi). Perigee: 688 km (427 mi). Inclination: 98.20 deg. Period: 98.60 min. Atmosphere Dynamics & Chemistry. Delayed from January 29, February 6, March 19, June 17, 19 and 26, July 8, 10, 11, 13 and 14..

• NOAA 18 - . Payload: NOAA-N. Mass: 1,420 kg (3,130 lb). Nation: USA. Agency: NOAA. Manufacturer: Lockheed. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: Advanced Tiros N. USAF Sat Cat: 28654 . COSPAR: 2005-018A. Apogee: 866 km (538 mi). Perigee: 847 km (526 mi). Inclination: 98.70 deg. Period: 102.10 min. Delayed from June 30, 2004, February 12, March 10 and 19, May 11, 12, 13 and 14..

• Cloudsat - . Mass: 848 kg (1,869 lb). Nation: USA. Agency: CSA, NASA, USAF. Manufacturer: Ball. Class: Earth. Type: Weather satellite. Spacecraft: BCP-2000. USAF Sat Cat: 29107 . COSPAR: 2006-016A. Apogee: 704 km (437 mi). Perigee: 702 km (436 mi). Inclination: 98.20 deg. Period: 98.80 min. Cloudsat carried a 94 GHz cloud profiling radar. Both the Cloudsat and Calipso satellites were in the A-train polar constellation, in the same orbit as the large Aqua and Aura satellites..

• Calipso - . Mass: 587 kg (1,294 lb). Nation: USA. Agency: CNES, NASA. Manufacturer: Alenia. Class: Earth. Type: Weather satellite. Spacecraft Bus: Proteus. Spacecraft: Calipso. USAF Sat Cat: 29108 . COSPAR: 2006-016B. Apogee: 703 km (436 mi). Perigee: 702 km (436 mi). Inclination: 98.20 deg. Period: 98.80 min. Calipso carried a 1-meter laser lidar telescope to study clouds and aerosols, and an imaging infrared radiometer..

• USA 193 - . Nation: USA. Agency: Seal Beach. Class: Technology. Type: Military technology satellite. Spacecraft: USA 193. Decay Date: 2008-02-29 . USAF Sat Cat: 29651 . COSPAR: 2006-057A. Apogee: 376 km (233 mi). Perigee: 354 km (219 mi). Inclination: 58.50 deg. Period: 91.83 min.

  Classifed NRO mission of uncertain objectives, possibly military observation with a mixed payload. Later it was revealed the on-board propulsion system had completely failed, putting the satellite in a rapidly-decaying orbit. The Pentagon said that the hydrazine propellant aboard consituted a risk and announced they would shoot the satellite down. The real objective may have been to demonstrate US antisatellite capability after a Chinese test in 2007. In any case, on 21 February 2008 the satellite was down to a 242 km x 257 km orbit. At 03:26 GMT an SM-3 missile was fired from the Aegis cruiser USS Lake Erie stationed west of Hawaii to intercept the satellite. The hit-to-kill warhead successfully rammed the satellite, breaking it up into 153 catalogued items of debris with perigees of 170-250 km and apogees of up to 2700 km.

• Cosmo-SkyMed 1 - . Mass: 1,700 kg (3,700 lb). Nation: Italy. Agency: ASI. Manufacturer: Alenia. Class: Surveillance. Type: Civilian Radarsat. Spacecraft Bus: Prima. Spacecraft: Cosmo-SkyMed. USAF Sat Cat: 31598 . COSPAR: 2007-023A. Apogee: 626 km (388 mi). Perigee: 622 km (386 mi). Inclination: 97.90 deg. Period: 97.20 min. The first of four Constellation of Small Satellites for Mediterranean basin Observation, Synthetic Aperture Radar satellites for primarily Italian military surveillance, but with products made available to civilian users as well..

• WorldView 1 - . Mass: 2,500 kg (5,500 lb). Nation: USA. Agency: Martin. Class: Surveillance. Type: Civilian surveillance satellite. Spacecraft Bus: BCP-5000. Spacecraft: WorldView. USAF Sat Cat: 32060 . COSPAR: 2007-041A. Apogee: 496 km (308 mi). Perigee: 492 km (305 mi). Inclination: 97.50 deg. Period: 94.50 min. Spacecraft was equipped with a 0.6-m aperture telescope for high resolution surveillance. Civilian, but primary customer was to be the US National Geospatial Intelligence Agency..

• Cosmo-SkyMed 2 - . Mass: 1,700 kg (3,700 lb). Nation: Italy. Agency: ASI. Manufacturer: Alenia. Class: Surveillance. Type: Civilian Radarsat. Spacecraft Bus: Prima. Spacecraft: Cosmo-SkyMed. USAF Sat Cat: 32376 . COSPAR: 2007-059A. Apogee: 624 km (387 mi). Perigee: 621 km (385 mi). Inclination: 97.90 deg. Period: 97.20 min. Second Italian military radar satellite in the Cosmo-Skymed system..

• Jason 2 - . Mass: 506 kg (1,115 lb). Nation: France. Agency: Martin. Class: Earth. Type: Earth resources satellite. Spacecraft: Proteus. USAF Sat Cat: 33105 . COSPAR: 2008-032A. Apogee: 1,344 km (835 mi). Perigee: 1,332 km (827 mi). Inclination: 66.00 deg. Period: 112.40 min. Ocean Surface Topography Mission follow-on to Jason 1. Carried Poseidon-3 altimeter for precision measurement of ocean surface and the NASA Advanced Microwave Radiometer to measure atmospheric moisture in the path of the altimeter beam..

• GeoEye-1 - . Mass: 1,923 kg (4,239 lb). Nation: USA. Agency: Martin. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: SA-200. USAF Sat Cat: 33331 . COSPAR: 2008-042A. Apogee: 687 km (426 mi). Perigee: 670 km (410 mi). Inclination: 98.10 deg. Period: 98.30 min. Commercial optical surveillance satellite with an 0.4-meter resolution. Primary customer was the US National Geospatial Intelligence Agency..

• COSMO 3 - . Mass: 1,900 kg (4,100 lb). Nation: Italy. Agency: Martin. Class: Surveillance. Type: Civilian Radarsat. Spacecraft Bus: Prima. Spacecraft: Cosmo-SkyMed. USAF Sat Cat: 33412 . COSPAR: 2008-054A. Apogee: 623 km (387 mi). Perigee: 622 km (386 mi). Inclination: 97.90 deg. Period: 97.20 min. Part of Italy's all-weather military surveillance constellation; carried X-band synthetic aperture radar..

• NOAA 19 - . Payload: NOAA-O. Mass: 1,420 kg (3,130 lb). Nation: USA. Agency: NOAA. Manufacturer: Lockheed. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: Advanced Tiros N. USAF Sat Cat: 33591 . COSPAR: 2009-005A. Apogee: 867 km (538 mi). Perigee: 845 km (525 mi). Inclination: 98.80 deg. Period: 102.10 min.

• USA 205 - . Payload: STSS-ATRR. Mass: 2,000 kg (4,400 lb). Nation: USA. Agency: Martin. Class: Surveillance. Type: Orbital object tracking satellite. Spacecraft: SA-200. USAF Sat Cat: 34903 . COSPAR: 2009-023A. Space Tracking and Surveillance System Advanced Technology Risk Reduction satellite..

• WorldView-2 - . Mass: 2,615 kg (5,765 lb). Nation: USA. Agency: Martin. Class: Surveillance. Type: Surveillance satellite. Spacecraft Bus: BCP-5000. Spacecraft: WorldView. USAF Sat Cat: 35946 . COSPAR: 2009-055A. Apogee: 769 km (477 mi). Perigee: 766 km (475 mi). Inclination: 98.50 deg. Period: 100.20 min. Commercial 0.5-meter-resolution, 8-band imaging satellite..

• WISE - . Mass: 674 kg (1,485 lb). Nation: USA. Agency: Martin. Class: Astronomy. Type: Infrared astronomy satellite. Spacecraft: RS-300. USAF Sat Cat: 36119 . COSPAR: 2009-071A. Apogee: 532 km (330 mi). Perigee: 527 km (327 mi). Inclination: 97.50 deg. Period: 95.20 min.

  Wide Field Infrared Explorer astronomy satellite, designed to conduct an all-sky survey at infrared frequencies of 3.4, 4.6, 12 and 22 microns, detecting objects 100 times fainter than the earlier IRAS and Akari satellites. Primary instrument is a 40 cm telescope cooled to 12 K by a cryostat filled with solid hydrogen. The survey was expected to detect tens of thousands of new asteroids, brown dwarf stars, and planets orbiting nearby stars.

• Cosmo-SkyMed 4 - . Mass: 1,900 kg (4,100 lb). Nation: Italy. Class: Surveillance. Type: Civilian Radarsat. Spacecraft Bus: Prima. Spacecraft: Cosmo-SkyMed. USAF Sat Cat: 37216 . COSPAR: 2010-060A. Apogee: 623 km (387 mi). Perigee: 622 km (386 mi). Inclination: 97.90 deg. Period: 97.20 min. X-band radar satellite..

• SAC-D/Aquarius - . Mass: 1,350 kg (2,970 lb). Nation: Argentina. Program: SAC. Class: Earth. Type: Climate satellite. Spacecraft: SAC-D. USAF Sat Cat: 37673 . COSPAR: 2011-024A. Apogee: 655 km (406 mi). Perigee: 653 km (405 mi). Inclination: 98.00 deg. Period: 97.80 min.

  Argentinian 'Satelite de Aplicaciones Cientificas-D' satellite. Carried NASA Aquarius L-band radiometer/scatterometer map sea salinity; a Ka-band microwave radiometer; a an infrared scanner to measure sea surface temperature; a high sensitivity camera to study light sources at night; and an Italian experiment which measured atmospheric deflection of GPS signals to determine air temperature and humidity.

• NPP - . Mass: 1,976 kg (4,356 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: BCP-2000. USAF Sat Cat: 37849 . COSPAR: 2011-061A. Apogee: 823 km (511 mi). Perigee: 818 km (508 mi). Inclination: 98.70 deg. Period: 101.30 min.

  NPP Preparatory Project weather satellite, using payloads from the cancelled National Polar Orbiting Environmental Satellite System. The NPP provided a stopgap between the last of the Advanced TIROS-N polar weather satellites and the first Joint Polar Satellite System satellite to be launched in a few years.

• AubieSat-1 - . Mass: 1.00 kg (2.20 lb). Nation: USA. Class: Technology. Type: Technology satellite. Spacecraft: Cubesat. USAF Sat Cat: 37854 . COSPAR: 2011-061E. Apogee: 817 km (507 mi). Perigee: 457 km (283 mi). Inclination: 101.70 deg. Period: 97.50 min. Auburn University, Alabama 1U cubesat. First CubeSat from Auburn University. Successful..

• DICE-X - . Mass: 2.00 kg (4.40 lb). Nation: USA. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Cubesat. USAF Sat Cat: 37851 . COSPAR: 2011-061B. Apogee: 816 km (507 mi). Perigee: 458 km (284 mi). Inclination: 101.70 deg. Period: 97.50 min. Utah State University 1.5U cubesat. Deployed 10-m span electric field antennae to study magnetosphere..

• DICE-Y - . Mass: 2.00 kg (4.40 lb). Nation: USA. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Cubesat. USAF Sat Cat: 37852 . COSPAR: 2011-061C. Apogee: 816 km (507 mi). Perigee: 458 km (284 mi). Inclination: 101.70 deg. Period: 97.50 min. Utah State University 1.5U cubesat. Deployed 10-m span electric field antennae to study magnetosphere..

• Explorer-1 PRIME Flight Unit 2 - . Mass: 1.00 kg (2.20 lb). Nation: USA. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Cubesat. Decay Date: 2011-11-29 . USAF Sat Cat: 37856 . COSPAR: 2011-061G. Apogee: 815 km (506 mi). Perigee: 458 km (284 mi). Inclination: 101.70 deg. Period: 97.50 min. Montana State University 1U cubesat. Carried one of Van Allen's original Geiger tubes..

• M-Cubed - . Mass: 1.00 kg (2.20 lb). Nation: USA. Class: Technology. Type: Technology satellite. Spacecraft: Cubesat. USAF Sat Cat: 37855 . COSPAR: 2011-061F. Apogee: 815 km (506 mi). Perigee: 457 km (283 mi). Inclination: 101.70 deg. Period: 97.40 min. University of Michigan 1U cubesat. Michigan Multipurpose Mission. Objective was to obtain a mid-resolution image of the earth covering at least 60% land mass and a maximum of 20% cloud coverage from a single CubeSat platform..

• RAX-2 - . Mass: 4.00 kg (8.80 lb). Nation: USA. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Cubesat. Decay Date: 2011-11-29 . USAF Sat Cat: 37853 . COSPAR: 2011-061D. Apogee: 817 km (507 mi). Perigee: 456 km (283 mi). Inclination: 101.70 deg. Period: 97.50 min. University of Michigan 3U cubesat. National Science Foundation funded Radio Aurora Explorer..

• OCO 2 - . Mass: 407 kg (897 lb). Nation: USA. Spacecraft: Leostar-2. USAF Sat Cat: 40059 . COSPAR: 2014-035A. Apogee: 704 km (437 mi). Perigee: 701 km (435 mi). Inclination: 98.20 deg. Period: 98.83 min. Was to have provided space-based observation of atmospheric carbon dioxide..

• SMAP - . Mass: 944 kg (2,081 lb). Nation: USA. Class: Earth. Type: Atmosphere satellite. Spacecraft: SMAP. USAF Sat Cat: 40376 . COSPAR: 2015-003A. Apogee: 683 km (424 mi). Perigee: 681 km (423 mi). Inclination: 98.12 deg. Period: 98.40 min.

  The Soil Moisture Active Passive satellite, carried a 6-m L-band antenna for synthetic aperture radar and radiometry measurements to map microwave emissions from water molecules in the soil. Sun synchronous orbit; 0600 GMT local time of the descending node.

• FIREBIRD IIA - . Mass: 2.00 kg (4.40 lb). Nation: USA. Class: Science. Type: Space science. Spacecraft: Cubesat. USAF Sat Cat: 40377 . COSPAR: 2015-003B. Apogee: 643 km (399 mi). Perigee: 431 km (267 mi). Inclination: 99.10 deg. Period: 95.38 min. 1.5U cubesat by NSF/Montana State/U. New Hampshire space science satellite. Sun synchronous orbit; 0600 GMT local time of the descending node..

• FIREBIRD IIB - . Mass: 2.00 kg (4.40 lb). Nation: USA. Class: Science. Type: Space science. Spacecraft: Cubesat. USAF Sat Cat: 40378 . COSPAR: 2015-003C. Apogee: 643 km (399 mi). Perigee: 431 km (267 mi). Inclination: 99.10 deg. Period: 95.38 min. 1.5U cubesat by NSF/Montana State/U. New Hampshire space science satellite. Sun synchronous orbit; 0600 GMT local time of the descending node..

• GRIFEX - . Mass: 4.00 kg (8.80 lb). Nation: USA. Class: Technology. Type: Technology satellite. Spacecraft: Cubesat. USAF Sat Cat: 40379 . COSPAR: 2015-003D. Apogee: 648 km (402 mi). Perigee: 433 km (269 mi). Inclination: 99.10 deg. Period: 95.45 min. 3U cubesat by Michigan/JPL; technology satellite. Sun synchronous orbit; 0600 GMT local time of the descending node..

• ExoCube CP10 - . Mass: 4.00 kg (8.80 lb). Nation: USA. Class: Earth. Type: Atmosphere satellite. Spacecraft: Cubesat. USAF Sat Cat: 40380 . COSPAR: 2015-003E. Apogee: 652 km (405 mi). Perigee: 434 km (269 mi). Inclination: 99.10 deg. Period: 95.51 min. 3U cubesat by California Polytechnic. Sun synchronous orbit; 0600 GMT local time of the descending node..

• NOAA-20 - . Payload: JPSS-1; NOAA 20. Nation: USA. USAF Sat Cat: 43013 . COSPAR: 2017-073A. Apogee: 827 km (513 mi). Perigee: 826 km (513 mi). Inclination: 98.75 deg. Period: 101.44 min. See JPSS 1 → NOAA 20. ..

• Buccaneer-RMM - . Nation: Australia. USAF Sat Cat: 43014 . COSPAR: 2017-073B. Apogee: 813 km (505 mi). Perigee: 459 km (285 mi). Inclination: 97.72 deg. Period: 97.43 min. See Buccaneer RMM. ..

• MiRaTA - . Nation: USA. USAF Sat Cat: 43015 . COSPAR: 2017-073C. Apogee: 812 km (504 mi). Perigee: 455 km (282 mi). Inclination: 97.72 deg. Period: 97.38 min. See MiRaTA. ..

• MakerSat-0 - . Nation: USA. USAF Sat Cat: 43016 . COSPAR: 2017-073D. Apogee: 814 km (505 mi). Perigee: 454 km (282 mi). Inclination: 97.72 deg. Period: 97.39 min. See MakerSat 0. ..

• RadFxSat - . Payload: Fox-1B; AO-91. Nation: USA. USAF Sat Cat: 43017 . COSPAR: 2017-073E. Apogee: 815 km (506 mi). Perigee: 454 km (282 mi). Inclination: 97.72 deg. Period: 97.40 min. See RadFxSat (Fox 1B, AO 91, AMSAT-OSCAR 91). ..

• EagleSat - . Nation: USA. USAF Sat Cat: 43018 . COSPAR: 2017-073F. Apogee: 813 km (505 mi). Perigee: 454 km (282 mi). Inclination: 97.72 deg. Period: 97.38 min. See EagleSat. ..

• ICESAT 2 - . Payload: ICESAT-2. Nation: USA. USAF Sat Cat: 43613 . COSPAR: 2018-070A. Apogee: 483 km (300 mi). Perigee: 479 km (297 mi). Inclination: 92.00 deg. Period: 94.22 min. See ICESAT 2. ..

• ELFIN - . Nation: USA. USAF Sat Cat: 43614 . COSPAR: 2018-070B. Apogee: 469 km (291 mi). Perigee: 442 km (274 mi). Inclination: 93.04 deg. Period: 93.69 min. See ELFIN (ELFIN A). ..

• ELFIN-STAR - . Nation: USA. USAF Sat Cat: 43615 . COSPAR: 2018-070C. Apogee: 469 km (291 mi). Perigee: 442 km (274 mi). Inclination: 93.04 deg. Period: 93.70 min. See ELFIN-STAR (ELFIN B). ..

• CP7 - . Payload: DAVE; ELFIN B. Nation: USA. USAF Sat Cat: 43616 . COSPAR: 2018-070D. Apogee: 468 km (290 mi). Perigee: 441 km (274 mi). Inclination: 93.04 deg. Period: 93.68 min. See CP 7 (DAVE). ..

• SurfSat - . Nation: USA. USAF Sat Cat: 43617 . COSPAR: 2018-070E. Apogee: 468 km (290 mi). Perigee: 441 km (274 mi). Inclination: 93.04 deg. Period: 93.68 min. See SurfSat. ..