Encyclopedia Astronautica
RORSAT


Soviet military nuclear-reactor powered radar naval reconnaissance satellite network.

More... - Chronology...


Associated Countries
Associated Spacecraft
  • US-A Russian military naval surveillance radar satellite. 38 launches, 1965.12.28 (Cosmos 102) to 1988.03.14 (Cosmos 1932). The US-A (later known as RLS) was a nuclear powered RORSAT (Radar Ocean Reconnaissance Satellite). More...
  • US-P Russian military naval signals reconnaisance satellite. 37 launches, 1974.12.24 (Cosmos 699) to 1991.01.18 (Cosmos 2122). The US-P (later known as RTR) was a solar powered EORSAT (Electronic Ocean Reconnaissance Satellite). More...
  • Plazma-A Russian ion engine technology satellite. 2 launches, 1987.02.02 (Cosmos 1818) to 1987.07.10 (Cosmos 1867). In 1987 two experimental Plazma-A satellites (Cosmos 1818 and 1867) were launched with new-generation Topaz reactors. More...

See also
Associated Launch Vehicles
  • Vostok 11A510 Russian orbital launch vehicle. Version of R-7 launch vehicle with Vostok second stage and unknown third stage used only twice to launch prototype RORSATs. These satellites were originally to have been launched on the cancelled UR-200 launcher, and operational satellites used Tsyklon-2 launchers. More...
  • Tsiklon-2A Ukrainian orbital launch vehicle. Minimal modification of the R-36 ICBM used in replacement of Chelomei's cancelled UR-200 booster for initial launches of the IS ASAT and US naval radarsat. Development was authorized in late 1965 and first launch was made before the end of 1967. It flew only eight times before being replaced by the definitive Tsyklon-2 space launch vehicle. More...
  • Tsiklon-2 Ukrainian orbital launch vehicle. A government decree of 24 August 1965 ordered development by Yangel of a version of his R-36 rocket to orbit Chelomei's IS (Istrebitel Sputnik) ASAT and US (Upravlenniye Sputnik) naval intelligence satellites. The Tyklon 2 definitive operational version replaced the 11K67 launch vehicle from 1969 and was an adaptation of the 8K69 (SS-9) two stage ICBM. The IS and US Raketoplan-derived payloads had their own engines for insertion into final orbit. More...

Associated Manufacturers and Agencies
  • RVSN Russian agency overseeing development of spacecraft. Raketniye Voiska Stratigcheskovo Naznacheniya (Russian Strategic Rocket Forces), Russia. More...
  • PKO Russian agency overseeing development of spacecraft. Anti-Ballistic Missile Forces, Russia. More...
  • MOM Russian agency overseeing development of spacecraft. Ministry of General Machine Building (Moskva, Russia), Moscow, Russia. More...
  • UNKS Russian agency. Directorate of the Commander of Space Assets, Russia. More...

Associated Launch Sites
  • Baikonur Russia's largest cosmodrome, the only one used for manned launches and with facilities for the larger Proton, N1, and Energia launch vehicles. The spaceport ended up on foreign soil after the break-up of Soviet Union. The official designations NIIP-5 and GIK-5 are used in official Soviet histories. It was also universally referred to as Tyuratam by both Soviet military staff and engineers, and the US intelligence agencies. Since the dissolution of the Soviet Union the Russian Federation has insisted on continued use of the old Soviet 'public' name of Baikonur. In its Kazakh (Kazak) version this is rendered Baykonur. More...

RORSAT Chronology


1965 December 27 - . 22:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 11A510. LV Configuration: Soyuz 11A510 G15000-01.
  • Cosmos 102 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MOM. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1966-01-13 . USAF Sat Cat: 1867 . COSPAR: 1965-111A. Apogee: 267 km (165 mi). Perigee: 205 km (127 mi). Inclination: 64.9000 deg. Period: 89.20 min. Summary: Prototype RORSAT hardware using chemical batteries in place of nuclear reactor..

1966 July 20 - . 09:07 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 11A510. LV Configuration: Soyuz 11A510 G15000-02.
  • Cosmos 125 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MOM. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1966-08-02 . USAF Sat Cat: 2351 . COSPAR: 1966-067A. Apogee: 260 km (160 mi). Perigee: 204 km (126 mi). Inclination: 64.9000 deg. Period: 89.10 min. Summary: Prototype RORSAT hardware using chemical batteries in place of nuclear reactor. Lost on the 52nd revolution as a result of a possible failure in the chemical power units placed on board instead of the nuclear BES-5..

1967 December 27 - . 11:28 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2A.
  • Cosmos 198 - . Payload: US-A no. 1. Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1968-01-21 . USAF Sat Cat: 3082 . COSPAR: 1967-127B. Apogee: 927 km (576 mi). Perigee: 907 km (563 mi). Inclination: 65.1000 deg. Period: 103.40 min. Summary: Prototype RORSAT hardware using chemical batteries in place of BES-5 nuclear reactor. First satellite to be boosted to 900 km storage orbit..

1968 March 22 - . 09:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2A.
  • Cosmos 209 - . Payload: US-A no. 2. Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1968-04-10 . USAF Sat Cat: 3162 . COSPAR: 1968-023C. Apogee: 927 km (576 mi). Perigee: 876 km (544 mi). Inclination: 65.3000 deg. Period: 103.00 min. Summary: RORSAT hardware, representative of production hardware, but using chemical batteries in place of BES-5 nuclear reactor..

1969 January 25 - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2A. FAILURE: Payload propulsion system failed; no orbit.. Failed Stage: P.
  • US-A Mass Model - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: RVSN. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1969-01-24 . COSPAR: F690125A. Apogee: 100 km (60 mi). Summary: RORSAT hardware, representative of production hardware, but using chemical batteries in place of BES-5 nuclear reactor..

1970 October 3 - . 10:26 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 367 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: PKO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1970-10-31 . USAF Sat Cat: 4566 . COSPAR: 1970-079C. Apogee: 1,022 km (635 mi). Perigee: 915 km (568 mi). Inclination: 65.3000 deg. Period: 104.50 min. Summary: Ocean surveillance; probably used chemical batteries..

1971 April 1 - . 11:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 402 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1971-05-06 . USAF Sat Cat: 5107 . COSPAR: 1971-025B. Apogee: 1,011 km (628 mi). Perigee: 965 km (599 mi). Inclination: 65.0000 deg. Period: 104.90 min. Summary: Ocean surveillance; probably used chemical batteries..

1971 December 25 - . 11:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 469 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1972-02-09 . USAF Sat Cat: 5737 . COSPAR: 1971-117B. Apogee: 1,006 km (625 mi). Perigee: 948 km (589 mi). Inclination: 64.5000 deg. Period: 104.60 min. Summary: Ocean surveillance; nuclear powered. First RORSAT flight confirmed by Russian source to have had BES-5 nuclear reactor..

1972 August 21 - . 10:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 516 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1972-10-20 . USAF Sat Cat: 6199 . COSPAR: 1972-066C. Apogee: 1,038 km (644 mi). Perigee: 906 km (562 mi). Inclination: 64.8000 deg. Period: 104.50 min. Summary: Ocean surveillance; nuclear powered..

1973 April 25 - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2. FAILURE: Payload propulsion system failed; no orbit.. Failed Stage: P.
  • RORSAT failure - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: RVSN. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1973-04-25 . COSPAR: F730425A. Summary: Ocean surveillance; nuclear powered. Last launch of original US-A design by Savin's KB. American 'sniffer' aircraft flew over the Pacific after this failure looking for radioisotopes traces in order to characterise the reactor..

1973 December 27 - . 20:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 626 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1974-03-22 . USAF Sat Cat: 7115 . COSPAR: 1973-108D. Apogee: 982 km (610 mi). Perigee: 907 km (563 mi). Inclination: 65.4000 deg. Period: 103.90 min. Summary: Ocean surveillance; nuclear powered. First test of modernised design by KB Arsenal..

1974 May 15 - . 07:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 651 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1974-09-05 . USAF Sat Cat: 7388 . COSPAR: 1974-029C. Apogee: 946 km (587 mi). Perigee: 890 km (550 mi). Inclination: 65.0000 deg. Period: 103.40 min. Summary: Ocean surveillance; nuclear powered..

1974 May 17 - . 06:53 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 654 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1974-09-07 . USAF Sat Cat: 7397 . COSPAR: 1974-032D. Apogee: 1,006 km (625 mi). Perigee: 924 km (574 mi). Inclination: 64.9000 deg. Period: 104.40 min. Summary: Ocean surveillance; nuclear powered..

1975 April 2 - . 11:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 723 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1975-07-15 . USAF Sat Cat: 7797 . COSPAR: 1975-024D. Apogee: 961 km (597 mi). Perigee: 899 km (558 mi). Inclination: 64.7000 deg. Period: 103.60 min. Summary: Ocean surveillance; nuclear powered..

1975 April 7 - . 11:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 724 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1975-08-07 . USAF Sat Cat: 7922 . COSPAR: 1975-025B. Apogee: 943 km (585 mi). Perigee: 852 km (529 mi). Inclination: 65.6000 deg. Period: 102.90 min. Summary: Ocean surveillance; nuclear powered..

1975 December 12 - . 12:45 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 785 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1976-02-05 . USAF Sat Cat: 8480 . COSPAR: 1975-116C. Apogee: 1,004 km (623 mi). Perigee: 907 km (563 mi). Inclination: 65.1000 deg. Period: 104.20 min. Summary: Ocean surveillance; nuclear powered; failed immediately after reaching orbit..

1976 July 2 - . 10:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 838 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-P. Decay Date: 1977-08-23 . USAF Sat Cat: 8932 . COSPAR: 1976-063A. Apogee: 440 km (270 mi). Perigee: 428 km (265 mi). Inclination: 65.1000 deg. Period: 93.30 min. Summary: Ocean surveillance. Exploded June/July '76..

1976 October 17 - . 18:06 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 860 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1976-12-29 . USAF Sat Cat: 9531 . COSPAR: 1976-103B. Apogee: 995 km (618 mi). Perigee: 923 km (573 mi). Inclination: 64.7000 deg. Period: 104.30 min. Summary: Ocean surveillance; nuclear powered..

1976 October 21 - . 16:53 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 861 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1977-02-04 . USAF Sat Cat: 9631 . COSPAR: 1976-104C. Apogee: 987 km (613 mi). Perigee: 928 km (576 mi). Inclination: 64.9000 deg. Period: 104.20 min. Summary: Ocean surveillance; nuclear powered..

1976 November 26 - . 14:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 868 - . Mass: 1,400 kg (3,000 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: US-P. Decay Date: 1978-07-08 . USAF Sat Cat: 9561 . COSPAR: 1976-113A. Apogee: 444 km (275 mi). Perigee: 422 km (262 mi). Inclination: 65.0000 deg. Period: 93.30 min.

1977 September 16 - . 14:25 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 952 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1977-11-07 . USAF Sat Cat: 10399 . COSPAR: 1977-088B. Apogee: 990 km (610 mi). Perigee: 911 km (566 mi). Inclination: 64.9000 deg. Period: 104.10 min. Summary: Ocean surveillance; nuclear powered..

1977 September 18 - . 13:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 954 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1978-01-24 . USAF Sat Cat: 10361 . COSPAR: 1977-090A. Apogee: 265 km (164 mi). Perigee: 251 km (155 mi). Inclination: 65.0000 deg. Period: 89.70 min. Summary: Ocean surveillance; nuclear powered; re-entered over Canada, spreading radioactive debris..

1980 April 29 - . 11:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1176 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1980-10-04 . USAF Sat Cat: 11968 . COSPAR: 1980-034B. Apogee: 962 km (597 mi). Perigee: 873 km (542 mi). Inclination: 64.8000 deg. Period: 103.40 min. Summary: Ocean surveillance; nuclear powered; test flight of modified safer design..

1981 March 5 - . 18:09 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1249 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1981-07-19 . USAF Sat Cat: 12552 . COSPAR: 1981-021D. Apogee: 976 km (606 mi). Perigee: 904 km (561 mi). Inclination: 65.0000 deg. Period: 103.90 min. Summary: Ocean surveillance; nuclear powered..

1981 April 21 - . 03:45 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1266 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1981-05-20 . USAF Sat Cat: 12429 . COSPAR: 1981-037B. Apogee: 941 km (584 mi). Perigee: 911 km (566 mi). Inclination: 64.8000 deg. Period: 103.60 min. Summary: Ocean surveillance; nuclear powered..

1981 August 24 - . 16:37 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1299 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: RVSN. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1981-09-27 . USAF Sat Cat: 12809 . COSPAR: 1981-081E. Apogee: 962 km (597 mi). Perigee: 926 km (575 mi). Inclination: 65.1000 deg. Period: 103.90 min. Summary: Ocean surveillance; nuclear powered..

1982 May 14 - . 19:39 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1365 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1982-10-19 . USAF Sat Cat: 13593 . COSPAR: 1982-043C. Apogee: 979 km (608 mi). Perigee: 881 km (547 mi). Inclination: 65.1000 deg. Period: 103.60 min. Summary: Ocean surveillance; nuclear powered..

1982 June 1 - . 13:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1372 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1982-09-09 . USAF Sat Cat: 13411 . COSPAR: 1982-052B. Apogee: 966 km (600 mi). Perigee: 919 km (571 mi). Inclination: 64.9000 deg. Period: 103.90 min. Summary: Ocean surveillance; nuclear powered..

1982 August 30 - . 10:06 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1402 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1983-01-23 . USAF Sat Cat: 13441 . COSPAR: 1982-084A. Apogee: 266 km (165 mi). Perigee: 250 km (150 mi). Inclination: 65.0000 deg. Period: 89.60 min. Summary: Ocean surveillance; nuclear powered..

1982 October 2 - . 00:01 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1412 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1982-12-04 . USAF Sat Cat: 13645 . COSPAR: 1982-099B. Apogee: 998 km (620 mi). Perigee: 886 km (550 mi). Inclination: 64.8000 deg. Period: 103.90 min. Summary: Ocean surveillance; nuclear powered..

1984 June 29 - . 00:21 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1579 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1984-11-05 . USAF Sat Cat: 15328 . COSPAR: 1984-069C. Apogee: 970 km (600 mi). Perigee: 914 km (567 mi). Inclination: 65.1000 deg. Period: 103.90 min. Summary: Ocean surveillance; nuclear powered..

1984 October 31 - . 12:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1607 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1985-03-28 . USAF Sat Cat: 15502 . COSPAR: 1984-112B. Apogee: 994 km (617 mi). Perigee: 908 km (564 mi). Inclination: 65.0000 deg. Period: 104.10 min. Summary: Ocean surveillance; nuclear powered..

1985 August 1 - . 05:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1670 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1985-12-08 . USAF Sat Cat: 16196 . COSPAR: 1985-064C. Apogee: 1,007 km (625 mi). Perigee: 893 km (554 mi). Inclination: 64.9000 deg. Period: 104.10 min. Summary: Ocean surveillance; nuclear powered..

1985 August 23 - . 22:33 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1677 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1985-12-14 . USAF Sat Cat: 16192 . COSPAR: 1985-075B. Apogee: 1,001 km (621 mi). Perigee: 880 km (540 mi). Inclination: 64.7000 deg. Period: 103.90 min. Summary: Ocean surveillance; nuclear powered..

1986 March 21 - . 10:05 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1736 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1986-09-01 . USAF Sat Cat: 16806 . COSPAR: 1986-024B. Apogee: 995 km (618 mi). Perigee: 936 km (581 mi). Inclination: 65.0000 deg. Period: 104.40 min. Summary: Ocean surveillance; nuclear powered..

1986 August 20 - . 12:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1771 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1986-11-29 . USAF Sat Cat: 17036 . COSPAR: 1986-062D. Apogee: 1,000 km (600 mi). Perigee: 909 km (564 mi). Inclination: 65.0000 deg. Period: 104.20 min. Summary: Ocean surveillance; nuclear powered..

1987 February 1 - . 23:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1818 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: Plazma-A. USAF Sat Cat: 17369 . COSPAR: 1987-011A. Apogee: 803 km (498 mi). Perigee: 774 km (480 mi). Inclination: 65.0000 deg. Period: 100.60 min. Summary: Test of new Topaz reactor, new systems, and ion engines aboard US-AM bus..

1987 June 18 - . 21:33 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1860 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1987-09-16 . USAF Sat Cat: 18240 . COSPAR: 1987-052C. Apogee: 992 km (616 mi). Perigee: 900 km (550 mi). Inclination: 65.0000 deg. Period: 104.00 min. Summary: Ocean surveillance; nuclear powered..

1987 July 10 - . 15:35 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1867 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: Plazma-A. USAF Sat Cat: 18187 . COSPAR: 1987-060A. Apogee: 803 km (498 mi). Perigee: 776 km (482 mi). Inclination: 65.0000 deg. Period: 100.70 min. Summary: Test of new Topaz reactor, new systems, and ion engines aboard US-AM bus - Tested Plasma-2 SPT electric engine..

1987 December 12 - . 05:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1900 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. USAF Sat Cat: 18665 . COSPAR: 1987-101A. Apogee: 735 km (456 mi). Perigee: 696 km (432 mi). Inclination: 66.1000 deg. Period: 99.10 min. Summary: Ocean surveillance; nuclear powered..
  • Cosmos 1900 - . Nation: USSR. Agency: UNKS. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. COSPAR: 1987-101xx. Summary: Ocean surveillance; nuclear powered..

1988 March 14 - . 14:21 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 1932 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1988-06-29 . USAF Sat Cat: 19160 . COSPAR: 1988-019B. Apogee: 1,008 km (626 mi). Perigee: 920 km (570 mi). Inclination: 65.1000 deg. Period: 104.40 min. Summary: Ocean surveillance; nuclear powered - last launch of the US-AM. Programme cancelled by Gorbachev..

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