Encyclopedia Astronautica
Thor Agena B



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Thor Agena D
Credit: US Air Force
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Thor Agena B
Thor Agena B - 1962
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Thor Agena B
Thor Agena B - COSPAR 1964-052
American orbital launch vehicle. Two stage vehicle consisting of 1 x Thor DM-21 + 1 x Agena B

LEO Payload: 400 kg (880 lb) to a 1,000 km orbit at 100.00 degrees in 1985 dollars. Flyaway Unit Cost $: 19.560 million.

Stage Data - Thor Agena B

  • Stage 1. 1 x Thor DM-19. Gross Mass: 49,340 kg (108,770 lb). Empty Mass: 3,125 kg (6,889 lb). Thrust (vac): 758.711 kN (170,565 lbf). Isp: 282 sec. Burn time: 165 sec. Isp(sl): 248 sec. Diameter: 2.44 m (8.00 ft). Span: 2.44 m (8.00 ft). Length: 18.42 m (60.43 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: LR-79-7. Status: Out of Production.
  • Stage 2. 1 x Agena B. Gross Mass: 7,167 kg (15,800 lb). Empty Mass: 867 kg (1,911 lb). Thrust (vac): 71.166 kN (15,999 lbf). Isp: 285 sec. Burn time: 240 sec. Isp(sl): 0.0000 sec. Diameter: 1.52 m (4.98 ft). Span: 1.52 m (4.98 ft). Length: 7.09 m (23.26 ft). Propellants: Nitric acid/UDMH. No Engines: 1. Engine: Bell 8081. Status: Out of Production.

AKA: SLV-2.
Status: Retired 1963.
Gross mass: 56,507 kg (124,576 lb).
Height: 31.00 m (101.00 ft).
Diameter: 2.44 m (8.00 ft).
Thrust: 667.20 kN (149,993 lbf).
Apogee: 1,000 km (600 mi).
First Launch: 1960.10.26.
Last Launch: 1963.01.16.
Number: 40 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • Midas American military early warning satellite. 18 launches, 1960.02.26 (Midas 1) to 1966.10.05 (Midas 12). Part of a then-secret USAF program known as WS-117L, the MIDAS (Missile Defense Alarm System) program began in November 1958. More...
  • KH-2 American military surveillance satellite. 10 launches, 1960.10.26 (SRV 506) to 1961.08.04 (SRV 512). Early US reconnaissance satellite. Carried one 'C-Prime' panoramic camera, with a focal length of 61 cm and a ground resolution of 9 m. More...
  • KH-5 American military surveillance satellite. 16 launches, 1961.02.17 (Discoverer 20) to 1964.08.21 (KH-5 9066A). US mapping satellite. Carried one frame camera, with a focal length of 76 mm, and a ground resolution of 140 m. More...
  • KH-3 American military surveillance satellite. 12 launches, 1961.08.30 (Discoverer 29) to 1962.01.13 (SRV 571). Early US reconnaissance satellite. Carried one 'C-Double Prime' panoramic camera, with a focal length of 61 cm and a ground resolution of 7.6 m. More...
  • Oscar International series of amateur radio communications satellites. Operational, first launch 1961.12.12. Launched in a variety of configurations and by many nations. More...
  • Ferret American military naval signals reconnaisance satellite. 19 launches, 1962.02.21 (Ferret 1) to 1971.07.16 (OPS 8373). More...
  • KH-4 American military surveillance satellite. 31 launches, 1962.02.27 (Discoverer 38) to 1963.12.21 (KH-4 9062). Early US reconnaissance satellite. Carried two 'Mural' panoramic cameras, with a focal length of 61 cm, and a ground resolution of 7.6 m. More...
  • ERS American earth magnetosphere satellite. 7 launches, 1962.09.17 (TRS) to 1967.04.28. Environmental Research Satellites were especially designed for piggyback launching from large primary mission vehicles. More...
  • Alouette Canadian earth magnetosphere satellite. 2 launches, 1962.09.29 (Alouette 1) and 1965.11.29 (Alouette 2). Ionospheric research. More...
  • TAVE American technology satellite. One launch, 1962.09.29. Thor Agena Vibration Experiment More...

Associated Engines
  • Bell 8081 Bell Nitric acid/UDMH rocket engine. 71.2 kN. Out of production. Isp=285s. Used on Agena B stage atop Thor and Atlas. First flight 1960. More...
  • LR79-7 Rocketdyne Lox/Kerosene rocket engine. 758.7 kN. Out of production. Designed for booster applications. Gas generator, pump-fed. Isp=282s. First flight 1957. More...

See also
  • Delta The Delta launch vehicle was America's longest-lived, most reliable, and lowest-cost space launch vehicle. Development began in 1955 and it continued in service in the 21st Century despite numerous candidate replacements. More...

Associated Manufacturers and Agencies
  • Douglas American manufacturer of rockets, spacecraft, and rocket engines. Boeing Huntington Beach, Huntington Beach, CA, USA. More...

Associated Programs
  • ELINT Various US electronic intelligence satellites, most of them from the Naval Research Laboratory, were orbited in the 1960's and still remain classified. More...
  • Oscar Amateur radio satellite network. For over a third of a century a series of OSCAR satellites have been launched in a variety of configurations and by many nations. More...

Associated Launch Sites
  • Vandenberg Vandenberg Air Force Base is located on the Central Coast of California about 240 km northwest of Los Angeles. It is used for launches of unmanned government and commercial satellites into polar orbit and intercontinental ballistic missile test launches toward the Kwajalein Atoll. More...
  • Vandenberg SLC1E Delta launch complex. Originally a Thor 75 SMS launch pad. Upgraded to a space launch complex in 1967. More...
  • Vandenberg SLC1W Delta launch complex. Originally a Thor 75 SMS launch pad. Upgraded to a space launch complex in 1966. More...
  • Vandenberg SLC2E Delta launch complex. Originally a Thor 75 SMS launch pad. Upgraded to a space launch complex in 1966. More...

Associated Stages
  • Agena B Nitric acid/UDMH propellant rocket stage. Loaded/empty mass 7,167/867 kg. Thrust 71.17 kN. Vacuum specific impulse 285 seconds. More...
  • Thor DM-21 Lox/Kerosene propellant rocket stage. Loaded/empty mass 48,354/2,948 kg. Thrust 760.64 kN. Vacuum specific impulse 285 seconds. More...

Thor Agena B Chronology


1960 October 26 - . 20:26 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 253 / Agena B 1061. FAILURE: Failure. Failed Stage: U.
  • Discoverer 16 - . Payload: KH-2 9011. Mass: 1,091 kg (2,405 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-2. Decay Date: 1960-10-26 . COSPAR: F601026A. Summary: KH-1; mission failed..
  • SRV 506 - . Nation: USA. Agency: USAF. Spacecraft: KH-2. COSPAR: F601026B.

1960 November 12 - . 20:43 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 297 / Agena B 1062.
  • Discoverer 17 - . Payload: KH-2 9012 / Agena B 1062. Mass: 1,091 kg (2,405 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-2. Decay Date: 1960-12-29 . USAF Sat Cat: 61 . COSPAR: 1960-Omicron-1. Apogee: 984 km (611 mi). Perigee: 190 km (110 mi). Inclination: 81.7000 deg. Period: 96.40 min. KH-1; film capsule recovered 2.1 days later. Mission failed. Obtained orbit successfully. Film separated before any camera operation leaving only 1.7 ft of film in capsule. On December 2, the Air Force revealed that exceedingly valuable information had been obtained from human tissues carried by Discoverer 17 (the cover story for the mission). The tissues had been exposed to an unexpectedly heavy dose of radiation for more than 50 hours in flight.

1960 December 7 - . 20:20 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 296 / Agena B 1103.
  • Discoverer 18 - . Payload: KH-2 9013 / Agena B 1103. Mass: 1,240 kg (2,730 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-2. Decay Date: 1961-04-02 . USAF Sat Cat: 67 . COSPAR: 1960-Sigma-1. Apogee: 510 km (310 mi). Perigee: 233 km (144 mi). Inclination: 81.5000 deg. Period: 92.00 min. Summary: KH-2; film capsule recovered 3.1 days later. First successful mission employing KH-2 camera system..

1960 December 20 - . 20:32 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 258 / Agena B 1101.
  • Discoverer 19 - . Payload: Midas test payload. Mass: 1,060 kg (2,330 lb). Nation: USA. Agency: USAF. Class: Military. Type: Early warning satellite. Spacecraft: Midas. Decay Date: 1961-01-23 . USAF Sat Cat: 68 . COSPAR: 1960-Tau-1. Apogee: 359 km (223 mi). Perigee: 186 km (115 mi). Inclination: 83.4000 deg. Period: 90.00 min. Summary: Tested IR sensors for Midas program; did not carry camera or film capsule. .

1961 February 17 - . 20:25 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 298.
  • Discoverer 20 - . Payload: KH-5 s/n 9014A / Agena B 1104. Mass: 1,110 kg (2,440 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-5. Decay Date: 1962-07-28 . USAF Sat Cat: 83 . COSPAR: 1961-Epsilon-1. Apogee: 491 km (305 mi). Perigee: 277 km (172 mi). Inclination: 80.8000 deg. Period: 92.30 min. Summary: KH-5; film capsule not ejected. Mission failed. Program malfunctioned and capsule did not reenter. First attempted ARGON mission. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..
  • SRV 520 - . Nation: USA. Agency: USAF. Spacecraft: KH-5. Decay Date: 1961-10-31 . USAF Sat Cat: 90 . COSPAR: 1961-Epsilon-4. Apogee: 327 km (203 mi). Perigee: 321 km (199 mi). Inclination: 80.7000 deg. Period: 91.00 min.

1961 February 18 - . 22:58 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 261 / Agena B 1102.
  • Discoverer 21 - . Payload: Midas test payload. Mass: 1,110 kg (2,440 lb). Nation: USA. Agency: USN. Class: Military. Type: Early warning satellite. Spacecraft: Midas. Decay Date: 1962-04-20 . USAF Sat Cat: 84 . COSPAR: 1961-Zeta-1. Apogee: 458 km (284 mi). Perigee: 212 km (131 mi). Inclination: 80.6000 deg. Period: 91.30 min. Summary: Tested IR sensors for Midas program; did not carry camera or film capsule..

1961 March 30 - . 20:34 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 300 / Agena B 1105. FAILURE: Failure. Failed Stage: U.
  • Discoverer 22 - . Payload: KH-2 9015. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-2. Decay Date: 1961-03-30 . COSPAR: F610330A. Summary: KH-2; Mission failed..
  • SRV 509 - . Nation: USA. Agency: USAF. Spacecraft: KH-2. COSPAR: F610330B.

1961 April 8 - . 19:21 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 307 / Agena B 1106.
  • Discoverer 23 - . Payload: KH-5 s/n 9016A / Agena B 1106 / Capsule SRV 521. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-5. Decay Date: 1962-04-16 . USAF Sat Cat: 100 . COSPAR: 1961-Lambda-1. Apogee: 651 km (404 mi). Perigee: 295 km (183 mi). Inclination: 82.3000 deg. Period: 94.10 min. Summary: KH-5; film capsule boosted into higher orbit, decayed 5/23/62. Mission failed. Loss of satellite control gas caused unstable condition. No recovery. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..

1961 June 8 - . 21:16 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 302 / Agena B 1108. FAILURE: Failure. Failed Stage: U.
  • Discoverer 24 - . Payload: KH-5 s/n 9018A. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-5. Decay Date: 1961-06-08 . COSPAR: F610608A. Summary: KH-5. Mission failed..
  • SRV 541 - . Nation: USA. Agency: USAF. Spacecraft: KH-5. COSPAR: F610608B.

1961 June 16 - . 23:02 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 303 / Agena B 1107.
  • Discoverer 25 - . Payload: KH-2 9017 / Agena B 1107. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-2. Decay Date: 1961-07-12 . USAF Sat Cat: 108 . COSPAR: 1961-Xi-1. Apogee: 404 km (251 mi). Perigee: 222 km (137 mi). Inclination: 82.1000 deg. Period: 90.80 min. Summary: KH-2; film capsule recovered 2.1 days later. Capsule recovered from water on orbit 32. Streaks throughout film..

1961 July 7 - . 23:29 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 308 / Agena B 1109.
  • Discoverer 26 - . Payload: KH-2 9019 / Agena B 1109. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-2. Decay Date: 1961-12-05 . USAF Sat Cat: 160 . COSPAR: 1961-Pi-1. Apogee: 803 km (498 mi). Perigee: 228 km (141 mi). Inclination: 82.9000 deg. Period: 94.90 min. Summary: KH-2; film capsule recovered 2.1 days later. Main camera malfunctioned on pass 22..

1961 July 21 - . 22:35 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 322 / Agena B 1110. FAILURE: Failure. Failed Stage: U.
  • Discoverer 27 - . Payload: KH-5 s/n 9020A. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-5. Decay Date: 1961-07-21 . COSPAR: F610721A. Summary: KH-5; destroyed by range safety. Mission failed..
  • SRV 524 - . Nation: USA. Agency: USAF. Spacecraft: KH-5. COSPAR: F610721B.

1961 August 4 - . 00:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 309 / Agena B 1111. FAILURE: Failure. Failed Stage: U.
  • Discoverer 28 - . Payload: KH-2 9021. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-2. Decay Date: 1961-08-03 . COSPAR: F610804A. Summary: KH-2; Mission failed..
  • SRV 512 - . Nation: USA. Agency: USAF. Spacecraft: KH-2. COSPAR: F610804B.

1961 August 30 - . 20:00 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 323 / Agena B 1112.
  • Discoverer 29 - . Payload: KH-3 s/n 9023 / Agena B 1112. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1961-09-09 . USAF Sat Cat: 181 . COSPAR: 1961-Psi-1. Apogee: 542 km (336 mi). Perigee: 152 km (94 mi). Inclination: 82.1000 deg. Period: 91.50 min. Summary: KH-3; film capsule recovered 2.1 days later. First use of KH-3 camera system. All frames out of focus..

1961 September 12 - . 19:59 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 310 / Agena B 1113.
  • Discoverer 30 - . Payload: KH-3 s/n 9022 / Agena B 1113. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1961-12-11 . USAF Sat Cat: 182 . COSPAR: 1961-Omega-1. Apogee: 557 km (346 mi). Perigee: 219 km (136 mi). Inclination: 82.5000 deg. Period: 92.30 min. Summary: KH-3; film capsule recovered 2.1 days later. Best mission to date. Same out-of-focus condition as in 9023..

1961 September 17 - . 21:00 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 324 / Agena B 1114.
  • Discoverer 31 - . Payload: KH-3 s/n 9024 / Agena B 1114. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1961-10-26 . USAF Sat Cat: 186 . COSPAR: 1961-A-Beta-1. Apogee: 403 km (250 mi). Perigee: 231 km (143 mi). Inclination: 82.6000 deg. Period: 90.80 min. Summary: KH-3; film capsule recovery failed. Mission failed. Power failure and loss of control gas on orbit 33..

1961 October 13 - . 19:22 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 328 / Agena B 1115.
  • Discoverer 32 - . Payload: KH-3 s/n 9025 / Agena B 1115. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1961-11-13 . USAF Sat Cat: 189 . COSPAR: 1961-A-Gamma-1. Apogee: 391 km (242 mi). Perigee: 233 km (144 mi). Inclination: 81.6000 deg. Period: 90.70 min. Summary: KH-3; film capsule recovered 1.1 days later. Capsule recovered on orbit 18. 96% of film out of focus..

1961 October 23 - . 19:23 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 329 / Agena B 1116. FAILURE: Failure. Failed Stage: U.
  • Discoverer 33 - . Payload: KH-3 s/n 9026. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1961-10-23 . COSPAR: F611023A. Summary: KH-3; Mission failed..
  • SRV 513 - . Nation: USA. Agency: USAF. Spacecraft: KH-3. COSPAR: F611023B.

1961 November 5 - . 20:00 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 330 / Agena B 1117.
  • Discoverer 34 - . Payload: KH-3 s/n 9027 / Agena B 1117. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1962-12-07 . USAF Sat Cat: 197 . COSPAR: 1961-A-Epsilon-1. Apogee: 859 km (533 mi). Perigee: 231 km (143 mi). Inclination: 82.4000 deg. Period: 95.60 min. Summary: KH-3; film capsule recovery not attempted. Mission failed. Improper launch angle resulted in extreme orbit..
  • SRV 553 - . Nation: USA. Agency: USAF. Spacecraft: KH-3. COSPAR: 1961-A-Epsilon-x.

1961 November 15 - . 21:23 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 326 / Agena B 1118.
  • Discoverer 35 - . Payload: KH-3 s/n 9028 / Agena B 1118. Mass: 2,100 kg (4,600 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1961-12-03 . USAF Sat Cat: 201 . COSPAR: 1961-A-Zeta-1. Apogee: 278 km (172 mi). Perigee: 238 km (147 mi). Inclination: 81.6000 deg. Period: 89.70 min. Summary: KH-3; film capsule recovered 1.1 days later. All cameras operated satisfactorily. Grainy emulsion noted..

1961 December 12 - . 20:40 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 325 / Agena B 1119.
  • Discoverer 36 - . Payload: KH-3 s/n 9029 / Agena B 1119. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1962-03-08 . USAF Sat Cat: 213 . COSPAR: 1961-A-Kappa-1. Apogee: 173 km (107 mi). Perigee: 131 km (81 mi). Inclination: 89.5000 deg. Period: 87.50 min. Summary: KH-3; film capsule recovered 4.1 days later. Best mission to date..
  • Oscar 1 - . Mass: 5.00 kg (11.00 lb). Nation: USA. Agency: USAF. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: Oscar. Decay Date: 1962-01-31 . USAF Sat Cat: 214 . COSPAR: 1961-A-Kappa-2. Apogee: 474 km (294 mi). Perigee: 245 km (152 mi). Inclination: 81.2000 deg. Period: 91.80 min. The first Oscar Phase I amateur satellite was launched piggyback with Discover 36. A group of enthusiasts in California formed Project OSCAR and persuaded the United States Air Force to replace ballast on the Agena upper stage with the 4.5 kg OSCAR I package. The satellite was box shaped with a single monopole antenna and battery powered. The 140 mW transmitter onboard discharged its batteries after three weeks. 570 Amateurs in 28 countries reported receiving its simple 'HI-HI' morse code signals on the VHF 2 meter band (144.983 MHz) until January 1, 1962. The speed of the HI-HI message was controlled by a temperature sensor inside the spacecraft. OSCAR I re-entered the atmosphere January 31, 1962 after 312 revolutions. Additional Details: here....

1962 January 13 - . 21:41 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 327 / Agena B 1120. FAILURE: Failure. Failed Stage: U.
  • Discoverer 37 - . Payload: KH-3 s/n 9030. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-3. Decay Date: 1962-01-13 . COSPAR: F620113A. Summary: KH-3. Mission failed. Last attempted flight of KH-3 series..
  • SRV 571 - . Nation: USA. Agency: USAF. Spacecraft: KH-3. COSPAR: F620113B.

1962 February 21 - . 18:44 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 332 / Agena B 2301. FAILURE: Partial failure. Agena failed to restart to circularize orbit.. Failed Stage: 2.
  • Ferret 1 - . Payload: Ferret 1 / Agena B 2301. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: USAF. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: Ferret. Decay Date: 1962-03-04 . USAF Sat Cat: 242 . COSPAR: 1962-Delta-1. Apogee: 219 km (136 mi). Perigee: 169 km (105 mi). Inclination: 81.9000 deg. Period: 88.30 min.

1962 February 27 - . 19:39 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 241 / Agena B 1123.
  • Discoverer 38 - . Payload: KH-4 s/n 9031 / Agena B 1123. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-03-21 . USAF Sat Cat: 247 . COSPAR: 1962-Epsilon-1. Apogee: 277 km (172 mi). Perigee: 207 km (128 mi). Inclination: 82.2000 deg. Period: 89.40 min. Summary: First mission of the KH-4 series. Much of film slightly out of focus.. Capsule recovered 4.1 days later..

1962 April 18 - . 00:54 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 331 / Agena B 1124.
  • Discoverer 39 - . Payload: KH-4 s/n 9032 / Agena B 1124. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-05-28 . USAF Sat Cat: 276 . COSPAR: 1962-Lambda-1. Apogee: 540 km (330 mi). Perigee: 158 km (98 mi). Inclination: 73.5000 deg. Period: 91.60 min. Summary: KH-4. Best mission to date..

1962 April 29 - . 00:30 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 333 / Agena B 1125.
  • KH-4 9033 - . Payload: KH-4 s/n 9033 / Agena B 1125. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-05-26 . USAF Sat Cat: 290 . COSPAR: 1962-Rho-1. Apogee: 475 km (295 mi). Perigee: 180 km (110 mi). Inclination: 73.1000 deg. Period: 91.10 min. Summary: KH-4. Mission failed. Parachute ejector squibs holding parachute container cover failed to fire. No recovery..

1962 May 15 - . 19:36 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 334 / Agena B 1126.
  • KH-5 9034A - . Payload: KH-5 s/n 9034A/Agena B 1126. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-5. Decay Date: 1963-11-26 . USAF Sat Cat: 292 . COSPAR: 1962-Sigma-1. Apogee: 550 km (340 mi). Perigee: 283 km (175 mi). Inclination: 82.3000 deg. Period: 93.00 min. Summary: KH-5; film capsule recovered 4.1 days later. First successful KH-5 mission. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..

1962 May 30 - . 01:00 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 336 / Agena B 1128.
  • KH-4 9035 - . Payload: KH-4 s/n 9035 / Agena B 1128. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-06-11 . USAF Sat Cat: 302 . COSPAR: 1962-Phi-1. Apogee: 350 km (210 mi). Perigee: 192 km (119 mi). Inclination: 74.1000 deg. Period: 89.90 min. Summary: KH-4; film capsule recovered 3.1 days later. Slight corona static on film..

1962 June 2 - . 00:31 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 335 / Agena B 1127.
  • KH-4 9036 - . Payload: KH-4 s/n 9036 / Agena B 1127. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-06-28 . USAF Sat Cat: 304 . COSPAR: 1962-Chi-1. Apogee: 401 km (249 mi). Perigee: 211 km (131 mi). Inclination: 74.5000 deg. Period: 90.60 min. Summary: KH-4. Mission failed. During air catch, chute tore loose. Capsule sank..
  • Oscar 2 - . Mass: 10 kg (22 lb). Nation: USA. Agency: USAF. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: Oscar. Decay Date: 1962-06-21 . USAF Sat Cat: 305 . COSPAR: 1962-Chi-2. Apogee: 339 km (210 mi). Perigee: 188 km (116 mi). Inclination: 74.2000 deg. Period: 89.80 min. OSCAR II was launched piggyback with a United States Air Force satellite. OSCAR II was very similar to OSCAR I. Differences included (1) changing the surface thermal coatings to achieve a cooler internal spacecraft environment, (2) modifying the sensing system so the satellite temperature could be measured accurately as the batteries decayed, and (3) lowering the transmitter power output to 100 mW to extend the life of the onboard battery. OSCAR II lasted 18 days ceasing operation on June 20, 1962 and re-entered June 21, 1962.

1962 June 18 - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 343 / Agena B 2312.
  • Ferret 2 - . Payload: Ferret 2 / Agena B 2312. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: USAF. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: Ferret. Decay Date: 1963-10-30 . USAF Sat Cat: 308 . COSPAR: 1962-Omega-2. Apogee: 377 km (234 mi). Perigee: 347 km (215 mi). Inclination: 82.1000 deg. Period: 91.80 min.
  • FTV 2312 - . Payload: Ferret 2. Nation: USA. Agency: USAF. Program: ELINT. Spacecraft: Ferret. Decay Date: 1963-10-30 . USAF Sat Cat: 308 . COSPAR: 1962-Omega-1. Apogee: 170 km (100 mi). Perigee: 161 km (100 mi). Inclination: 82.2000 deg. Period: 87.80 min.

1962 June 23 - . 00:30 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 339 / Agena B 1129.
  • KH-4 9037 - . Payload: KH-4 s/n 9037 / Agena B 1129. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-07-07 . USAF Sat Cat: 315 . COSPAR: 1962-A-Beta-1. Apogee: 314 km (195 mi). Perigee: 199 km (123 mi). Inclination: 75.1000 deg. Period: 89.60 min. Summary: KH-4. Corona static occurs on some film..

1962 July 21 - . 00:56 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 342 / Agena B 1130.
  • KH-4 9039 - . Payload: KH-4 s/n 9039 / Agena B 1130. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-08-14 . USAF Sat Cat: 344 . COSPAR: 1962-A-Eta-1. Apogee: 376 km (233 mi). Perigee: 206 km (128 mi). Inclination: 70.0000 deg. Period: 90.30 min. Summary: KH-4. Aborted after 6 photo passes. Heavy corona and radiation fog..

1962 July 28 - . 00:30 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 347 / Agena B 1131.
  • KH-4 9040 - . Payload: KH-4 s/n 9040 / Agena B 1131. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-08-24 . USAF Sat Cat: 345 . COSPAR: 1962-A-Theta-1. Apogee: 403 km (250 mi). Perigee: 204 km (126 mi). Inclination: 71.0000 deg. Period: 90.60 min. Summary: KH-4; film capsule recovered 4.1 days later. No filters on slave horizon cameras. Heavy corona and radiation fog..

1962 September 1 - . 20:39 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 348 / Agena B 1132.
  • KH-5 9042A - . Payload: KH-5 s/n 9042A/Agena B 1132. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-5. Decay Date: 1964-10-26 . USAF Sat Cat: 385 . COSPAR: 1962-A-Upsilon-1. Apogee: 639 km (397 mi). Perigee: 293 km (182 mi). Inclination: 82.8000 deg. Period: 94.00 min. Summary: KH-5. Mission failed. Parachute shrouds parted during air catch, capsule sank. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..
  • SRV 600 - . Nation: USA. Agency: USAF. Spacecraft: KH-5. COSPAR: 1962-A-Upsilon-x.

1962 September 17 - . 23:46 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 350 / Agena B 1133.
  • KH-4 9043 / TRS 1 (ERS 2) - . Payload: KH-4 s/n 9043 / TRS 1 (ERS 2) / Agena B 1133. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-11-16 . USAF Sat Cat: 396 . COSPAR: 1962-A-Chi-1. Apogee: 668 km (415 mi). Perigee: 204 km (126 mi). Inclination: 81.8000 deg. Period: 93.30 min. Summary: KH-4; film capsule recovered 1.1 days later; ERS-2 subsatellite failed to deploy. Capping shutter malfunction, slight corona and radiation fog..
  • TRS - . Payload: ERS 2. Nation: USA. Agency: USAF. Class: Earth. Type: Magnetosphere satellite. Spacecraft: ERS. COSPAR: 1962-A-Chi-xx.

1962 September 29 - . 06:05 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 341 (TA1).
  • Alouette 1 - . Payload: Alouette 1 / TAVE. Mass: 145 kg (319 lb). Nation: Canada. Agency: Clemson. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Alouette. USAF Sat Cat: 424 . COSPAR: 1962-B-Alpha-1. Apogee: 1,022 km (635 mi). Perigee: 987 km (613 mi). Inclination: 80.5000 deg. Period: 105.20 min. Summary: Ionospheric research. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .
  • TAVE - . Payload: TAVE. Nation: USA. Agency: NASA. Spacecraft: TAVE. USAF Sat Cat: 426 . COSPAR: 1962-B-Alpha-2. Apogee: 1,019 km (633 mi). Perigee: 993 km (617 mi). Inclination: 80.5000 deg. Period: 105.20 min. Summary: Thor Agena Vibration Experiment.

1962 October 9 - . 18:35 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 352 / Agena B 1134.
  • KH-5 9046A - . Payload: KH-5 s/n 9046A/Agena B 1134. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-5. Decay Date: 1962-10-16 . USAF Sat Cat: 436 . COSPAR: 1962-B-Epsilon-1. Apogee: 427 km (265 mi). Perigee: 213 km (132 mi). Inclination: 82.0000 deg. Period: 91.00 min. Summary: KH-5; film capsule recovered 4.1 days later. 50% of stellar terrain film was blank due to shutter malfunction. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..
  • SRV 603 - . Nation: USA. Agency: USAF. Spacecraft: KH-5. COSPAR: 1962-B-Epsilon-x.

1962 November 5 - . 22:04 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 356 / Agena B 1136.
  • KH-4 9047 - . Payload: KH-4 s/n 9047 / Agena B 1136. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-12-03 . USAF Sat Cat: 453 . COSPAR: 1962-B-Omicron-1. Apogee: 403 km (250 mi). Perigee: 208 km (129 mi). Inclination: 75.0000 deg. Period: 90.60 min. Summary: KH-4; film capsule; film capsule recovered 4.1 days later. Camera door malfunctioned, flare degraded 15% of film..
  • SRV 599 - . Nation: USA. Agency: USAF. Spacecraft: KH-4. COSPAR: 1962-B-Omicron-x.

1962 November 24 - . 22:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1W. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 367 / Agena B 1135.
  • KH-4 9048 - . Payload: KH-4 s/n 9048 / Agena B 1135. Mass: 1,150 kg (2,530 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-4. Decay Date: 1962-12-13 . USAF Sat Cat: 481 . COSPAR: 1962-B-Rho-1. Apogee: 339 km (210 mi). Perigee: 206 km (128 mi). Inclination: 65.0000 deg. Period: 89.90 min. Summary: KH-4. Some film exposed through base..

1963 January 16 - . 21:59 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena B. LV Configuration: Thor Agena B 363 / Agena B 2313.
  • OPS 0180 - . Payload: Ferret 3 / Agena B 2313. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: NRO; USAF. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: Ferret. Decay Date: 1969-01-09 . USAF Sat Cat: 527 . COSPAR: 1963-003A. Apogee: 522 km (324 mi). Perigee: 461 km (286 mi). Inclination: 81.9000 deg. Period: 94.40 min.

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