Encyclopedia Astronautica
Vostok 8A92



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Vostok LV
Vostok launch vehicle, Moscow
Credit: © Mark Wade
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Vostok LV
Credit: © Mark Wade
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R-7 Cutaways
Credit: © Mark Wade
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R-7 aft end
Credit: © Mark Wade
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R-7
Credit: © Mark Wade
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R-7 forward view
R-7 forward compartment
Credit: © Mark Wade
Russian orbital launch vehicle. The 8A92 was a modernized version of the Vostok booster used for launch of Zenit-2 reconnaisance satellites.

LEO Payload: 4,730 kg (10,420 lb) to a 200 km orbit at 65.00 degrees. Failures: 5. Success Rate: 88.89%. First Fail Date: 1962-06-01. Last Fail Date: 1966-09-16.

Stage Data - Vostok 8A92

  • Stage 0. 4 x Vostok 8A92-0. Gross Mass: 43,300 kg (95,400 lb). Empty Mass: 3,700 kg (8,100 lb). Thrust (vac): 995.300 kN (223,752 lbf). Isp: 313 sec. Burn time: 118 sec. Isp(sl): 256 sec. Diameter: 2.68 m (8.79 ft). Span: 2.68 m (8.79 ft). Length: 19.00 m (62.00 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: RD-107-8D74K. Status: Out of Production.
  • Stage 1. 1 x Vostok 8A92-1. Gross Mass: 100,400 kg (221,300 lb). Empty Mass: 6,800 kg (14,900 lb). Thrust (vac): 940.400 kN (211,410 lbf). Isp: 315 sec. Burn time: 301 sec. Isp(sl): 248 sec. Diameter: 2.99 m (9.80 ft). Span: 2.99 m (9.80 ft). Length: 28.00 m (91.00 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: RD-108-8D75K. Status: Out of Production.
  • Stage 2. 1 x Vostok 8A92-2. Gross Mass: 7,775 kg (17,140 lb). Empty Mass: 1,440 kg (3,170 lb). Thrust (vac): 54.900 kN (12,342 lbf). Isp: 326 sec. Burn time: 369 sec. Isp(sl): 0.0000 sec. Diameter: 2.56 m (8.39 ft). Span: 2.56 m (8.39 ft). Length: 2.84 m (9.31 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: RD-0109. Status: Out of Production.

AKA: SL-3; 8K72K; A-1.
Status: Retired 1967.
Gross mass: 281,375 kg (620,325 lb).
Payload: 4,730 kg (10,420 lb).
Height: 30.84 m (101.18 ft).
Diameter: 2.99 m (9.80 ft).
Thrust: 3,996.85 kN (898,528 lbf).
Apogee: 200 km (120 mi).
First Launch: 1962.06.01.
Last Launch: 1967.05.12.
Number: 45 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • Zenit-2 Russian military surveillance satellite. 81 launches, 1961.12.11 (Zenit-2 11F61 s/n 1) to 1970.05.12 (Cosmos 344). The Zenit-2 was a derivative of the manned Vostok, and the Soviet Union's first spy satellite. More...

Associated Engines
  • RD-0109 Kosberg Lox/Kerosene rocket engine. 54.520 kN. 8A92 Vostok stage 3, 8K72K stage 3 (block E-Vostok). Out of production. Developed in 15 months. Isp=323s. First flight 1960. More...
  • RD-107-8D74K Glushko Lox/Kerosene rocket engine. 996 kN. Developed in 1957-1960. Used in strap-ons for Molniya 8K78, R-7A 8K74, Voskhod 11A57, Vostok 8A92, Vostok 8A92M. Isp=313s. Fuel T-1 or RG-1 kerosene. First flight 1959. More...
  • RD-108-8D75K Glushko Lox/Kerosene rocket engine. 941 kN. Molniya 8K78-1, R-7A 8K74-1, Voskhod 11A57-1, Vostok 8A92-1, Vostok 8A92M-1. Diameter is per chamber. Isp=315s. First flight 1959. More...

See also
  • R-7 The world's first ICBM became the most often used and most reliable launch vehicle in history. The original core+four strap-on booster missile had a small third stage added to produce the Vostok launch vehicle, with a payload of 5 metric tons. Addition of a larger third stage produced the Voskhod/Soyuz vehicle, with a payload over 6 metric tons. Using this with a fourth stage, the resulting Molniya booster placed communications satellites and early lunar and planetary probes in higher energy trajectories. By the year 2000 over 1,628 had been launched with an unmatched success rate of 97.5% for production models. Improved models providing commercial launch services for international customers entered service in the new millenium, and a new launch pad at Kourou was to be inaugurated in 2011. It appeared that the R-7 could easily still be in service 70 years after its first launch. More...

Associated Manufacturers and Agencies
  • Korolev Russian manufacturer of rockets, spacecraft, and rocket engines. Korolev Design Bureau, Kaliningrad, 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...
  • Plesetsk Plesetsk was the Soviet Union's northern cosmodrome, used for polar orbit launches of mainly military satellites, and was at one time the busiest launch centre in the world. The collapse of the Soviet Union put the main launch site of Baikonur in Kazakh territory. It now seems that once the Proton rocket is retired, Baikonur will be abandoned and Plesetsk will be Russia's primary launch centre. Upgrades to existing launch facilities will allow advanced versions of the Soyuz rocket and the new Angara launch vehicle to be launched from Plesetsk. Plesetsk's major drawback was the lower net payload in geosynchronous orbit from a northern latitude launch site. However Russia is planning to remove the disadvantage by looping geosynchronous satellites around the moon, using lunar gravity to make the necessary orbital plane change. More...
  • Plesetsk LC41/1 R-7 launch complex. Code named 'Lesobaza', this was the first complex completed at Plesetsk, being declared ready for military service with the R-7A ICBM in November 1959. The complex followed the design of the protoype facility built at Area 31 of Baikonur and included its own residential area for military personnel and assembly buildings for launchers and payloads. More...

Associated Stages
  • Vostok 8A92-0 Lox/Kerosene propellant rocket stage. Loaded/empty mass 43,300/3,700 kg. Thrust 995.30 kN. Vacuum specific impulse 313 seconds. More...
  • Vostok 8A92-1 Lox/Kerosene propellant rocket stage. Loaded/empty mass 100,400/6,800 kg. Thrust 940.40 kN. Vacuum specific impulse 315 seconds. More...
  • Vostok 8A92-2 Lox/Kerosene propellant rocket stage. Loaded/empty mass 7,775/1,440 kg. Thrust 54.90 kN. Vacuum specific impulse 326 seconds. More...

Vostok 8A92 Chronology


1962 June 1 - . 09:38 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 E15000-01. FAILURE: Shutdown of Block B strap-on engine stage 1.8 seconds after liftoff. The booster crashed 300 m from the pad. Pad damaged.. Failed Stage: 0.
  • Zenit-2 11F61 s/n 3 - . Payload: Zenit-2 11F61 s/n 3. Mass: 4,610 kg (10,160 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Decay Date: 1962-06-01 . COSPAR: F620601A. Area survey photo reconnaissance satellite. Third attempted launch of Zenit photo-reconnaissance satellite. It blew up 300 m from the pad, and did enough damage to put the launch complex out of operation for a month. Therefore the Vostok 3/4 launches could not take place until the end of July at the earliest.

1962 July 28 - . 09:18 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 T15000-07.
  • Cosmos 7 - . Payload: Zenit-2 11F61 s/n 4. Mass: 4,610 kg (10,160 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 4.00 days. Decay Date: 1962-08-01 . USAF Sat Cat: 346 . COSPAR: 1962-A-Iota-1. Apogee: 356 km (221 mi). Perigee: 197 km (122 mi). Inclination: 64.9000 deg. Period: 90.00 min. Summary: Area survey photo reconnaissance satellite. Also performed radiation measurements..

1962 September 27 - . 09:39 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 T15000-06.
  • Cosmos 9 - . Payload: Zenit-2 11F61 s/n 7. Mass: 4,700 kg (10,300 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 4.00 days. Decay Date: 1962-10-01 . USAF Sat Cat: 422 . COSPAR: 1962-A-Omega-1. Apogee: 981 km (609 mi). Perigee: 829 km (515 mi). Inclination: 67.6000 deg. Period: 103.10 min. Summary: Area survey photo reconnaissance satellite. Also performed radiation measurements..

1962 October 17 - . 09:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 T15000-03.
  • Cosmos 10 - . Payload: Zenit-2 11F61 s/n 5. Mass: 4,700 kg (10,300 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 4.00 days. Decay Date: 1962-10-21 . USAF Sat Cat: 437 . COSPAR: 1962-B-Zeta-1. Apogee: 376 km (233 mi). Perigee: 178 km (110 mi). Inclination: 64.9000 deg. Period: 90.00 min. Summary: Area survey photo reconnaissance satellite. Also performed radiation measurements..

1962 December 22 - . 09:23 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 T15000-10.
  • Cosmos 12 - . Payload: Zenit-2 11F61 s/n 6. Mass: 4,700 kg (10,300 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1962-12-30 . USAF Sat Cat: 517 . COSPAR: 1962-B-Omega-1. Apogee: 385 km (239 mi). Perigee: 202 km (125 mi). Inclination: 64.8000 deg. Period: 90.40 min. Summary: Area survey photo reconnaissance satellite. Also performed radiation measurements..

1963 March 21 - . 08:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 T15000-01.
  • Cosmos 13 - . Payload: Zenit-2 11F61 s/n 9. Mass: 4,700 kg (10,300 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1963-03-29 . USAF Sat Cat: 554 . COSPAR: 1963-006A. Apogee: 303 km (188 mi). Perigee: 214 km (132 mi). Inclination: 65.2000 deg. Period: 89.60 min. Summary: Area survey photo reconnaissance satellite. Also performed radiation measurements..

1963 April 22 - . 08:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 T15000-08.
  • Cosmos 15 - . Payload: Zenit-2 11F61 s/n 8. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 5.00 days. Decay Date: 1963-04-27 . USAF Sat Cat: 569 . COSPAR: 1963-011A. Apogee: 336 km (208 mi). Perigee: 194 km (120 mi). Inclination: 65.0000 deg. Period: 89.80 min. Summary: Area survey photo reconnaissance satellite. Also carried weather, radiation experiments..

1963 April 28 - . 08:50 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 E15000-02.
  • Cosmos 16 - . Payload: Zenit-2 11F61 s/n 10. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 10.00 days. Decay Date: 1963-05-08 . USAF Sat Cat: 571 . COSPAR: 1963-012A. Apogee: 379 km (235 mi). Perigee: 201 km (124 mi). Inclination: 64.7000 deg. Period: 90.30 min. Summary: Program partially completed. Part of the information lost due to failure of engine block stabilization system. Area survey photo reconnaissance satellite. Also performed radiation measurements..

1963 May 24 - . 10:33 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 E15000-12.
  • Cosmos 18 - . Payload: Zenit-2 11F61 s/n 11. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 9.00 days. Decay Date: 1963-06-02 . USAF Sat Cat: 586 . COSPAR: 1963-018A. Apogee: 269 km (167 mi). Perigee: 212 km (131 mi). Inclination: 64.6000 deg. Period: 89.30 min. Summary: Area survey photo reconnaissance satellite. Also performed radiation measurements..

1963 July 10 - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 E15000-04. FAILURE: Shutdown of Block B strap-on engine stage 1.9 seconds after liftoff. Pad damaged.. Failed Stage: 0.
  • Zenit-2 11F61 s/n 12 - . Payload: Zenit-2 11F61 s/n 12. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Decay Date: 1963-07-10 . COSPAR: F630710A. Summary: Area survey photo reconnaissance satellite..

1963 October 18 - . 09:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 G15001-01.
  • Cosmos 20 - . Payload: Zenit-2 11F61 s/n 13. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1963-10-26 . USAF Sat Cat: 673 . COSPAR: 1963-040A. Apogee: 296 km (183 mi). Perigee: 201 km (124 mi). Inclination: 64.8000 deg. Period: 89.40 min. Summary: Area survey photo reconnaissance satellite..

1963 November 28 - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 G15001-02. FAILURE: Failure of block E upper stage. Spacecraft liquidated by APO destruct system.. Failed Stage: 2.
  • Zenit-2 11F61 s/n 14 - . Payload: Zenit-2 11F61 s/n 14. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Decay Date: 1963-11-28 . COSPAR: F631128A. Summary: Area survey photo reconnaissance satellite..

1963 December 19 - . 09:28 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 G15001-03.
  • Cosmos 24 - . Payload: Zenit-2 11F61 s/n 15. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 9.00 days. Decay Date: 1963-12-28 . USAF Sat Cat: 712 . COSPAR: 1963-052A. Apogee: 391 km (242 mi). Perigee: 204 km (126 mi). Inclination: 65.0000 deg. Period: 90.50 min. Summary: Area survey photo reconnaissance satellite..

1964 March 10 - . LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Zenit-2 spy satellite accepted into mlitary service - . Nation: USSR. Spacecraft: Zenit-2. Summary: Defence Ministry of the USSR decree 0045 'On adopting the Zenit-2 satellite launched on the 8A92 into armaments' was issued..

1964 April 4 - . 09:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 G15001-04.
  • Cosmos 28 - . Payload: Zenit-2 11F61 s/n 16. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1964-04-12 . USAF Sat Cat: 779 . COSPAR: 1964-017A. Apogee: 373 km (231 mi). Perigee: 213 km (132 mi). Inclination: 65.0000 deg. Period: 90.40 min. Summary: Area survey photo reconnaissance satellite..

1964 April 25 - . 10:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15001-01.
  • Cosmos 29 - . Payload: Zenit-2 11F61 s/n 19. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 7.00 days. Decay Date: 1964-05-02 . USAF Sat Cat: 791 . COSPAR: 1964-021A. Apogee: 292 km (181 mi). Perigee: 203 km (126 mi). Inclination: 65.0000 deg. Period: 89.50 min. Summary: Area survey photo reconnaissance satellite..

1964 June 10 - . 10:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15001-02.
  • Cosmos 32 - . Payload: Zenit-2 11F61 s/n 18. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1964-06-18 . USAF Sat Cat: 807 . COSPAR: 1964-029A. Apogee: 322 km (200 mi). Perigee: 205 km (127 mi). Inclination: 51.3000 deg. Period: 89.80 min. Summary: Area survey photo reconnaissance satellite..

1964 June 23 - . 10:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 G15001-05.
  • Cosmos 33 - . Payload: Zenit-2 11F61 s/n 20. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1964-07-01 . USAF Sat Cat: 816 . COSPAR: 1964-033A. Apogee: 279 km (173 mi). Perigee: 205 km (127 mi). Inclination: 64.9000 deg. Period: 89.40 min. Summary: Area survey photo reconnaissance satellite..

1964 July 15 - . 11:31 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15001-03.
  • Cosmos 35 - . Payload: Zenit-2 11F61 s/n 21. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1964-07-23 . USAF Sat Cat: 833 . COSPAR: 1964-039A. Apogee: 258 km (160 mi). Perigee: 218 km (135 mi). Inclination: 51.3000 deg. Period: 89.20 min. Summary: Area survey photo reconnaissance satellite..

1964 August 14 - . 09:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15001-04.
  • Cosmos 37 - . Payload: Zenit-2 11F61 s/n 22. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1964-08-22 . USAF Sat Cat: 848 . COSPAR: 1964-044A. Apogee: 240 km (140 mi). Perigee: 208 km (129 mi). Inclination: 64.9000 deg. Period: 88.90 min. Summary: Area survey photo reconnaissance satellite. Program partially completed. Break in the film fof the SA-10 camera..

1964 September 24 - . 12:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15001-05.
  • Cosmos 46 - . Payload: Zenit-2 11F61 s/n 23. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1964-10-02 . USAF Sat Cat: 885 . COSPAR: 1964-059A. Apogee: 264 km (164 mi). Perigee: 211 km (131 mi). Inclination: 51.3000 deg. Period: 89.20 min. Summary: Area survey photo reconnaissance satellite. Demonstration launch witnessed by Khrushchev..

1964 October 14 - . 09:50 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15002-01.
  • Cosmos 48 - . Payload: Zenit-2 11F61 s/n 24. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 6.00 days. Decay Date: 1964-10-20 . USAF Sat Cat: 908 . COSPAR: 1964-066A. Apogee: 284 km (176 mi). Perigee: 204 km (126 mi). Inclination: 65.1000 deg. Period: 89.30 min. Summary: Area survey photo reconnaissance satellite. Program partially completed. Returned early due to failure of spacecraft thermoregulation system; internal temperature rose to 43 degrees C..

1964 October 28 - . 10:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15002-02.
  • Cosmos 50 - . Payload: Zenit-2 11F61 s/n 25. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1964-11-05 . USAF Sat Cat: 919 . COSPAR: 1964-070A. Apogee: 232 km (144 mi). Perigee: 190 km (110 mi). Inclination: 51.2000 deg. Period: 88.70 min. Summary: Area survey photo reconnaissance satellite. Unsuccessful mission. Failure of the braking engine system. Spacecraft ordered to self destruct..

1965 January 11 - . 09:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15002-03.
  • Cosmos 52 - . Payload: Zenit-2 11F61 s/n 26. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: Korolev. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1965-01-19 . USAF Sat Cat: 968 . COSPAR: 1965-001A. Apogee: 298 km (185 mi). Perigee: 203 km (126 mi). Inclination: 65.0000 deg. Period: 89.50 min. Summary: Area survey photo reconnaissance satellite..

1965 March 25 - . 10:04 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 G15001-06.
  • Cosmos 64 - . Payload: Zenit-2 11F61 s/n 17. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1965-04-02 . USAF Sat Cat: 1305 . COSPAR: 1965-025A. Apogee: 250 km (150 mi). Perigee: 205 km (127 mi). Inclination: 65.0000 deg. Period: 89.10 min. Summary: Area survey photo reconnaissance satellite..

1965 May 7 - . 09:50 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15002-04.
  • Cosmos 66 - . Payload: Zenit-2 11F61 s/n 27. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1965-05-15 . USAF Sat Cat: 1362 . COSPAR: 1965-035A. Apogee: 397 km (246 mi). Perigee: 285 km (177 mi). Inclination: 64.9000 deg. Period: 91.30 min. Summary: Returned after 8 days. Unsuccessful mission. Parachute deployment failure. Spacecraft destroyed in crash..

1965 June 15 - . 10:04 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 U15001-01.
  • Cosmos 68 - . Payload: Zenit-2 11F61 s/n 29. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1965-06-23 . USAF Sat Cat: 1404 . COSPAR: 1965-046A. Apogee: 306 km (190 mi). Perigee: 208 km (129 mi). Inclination: 65.0000 deg. Period: 89.70 min. Summary: Area survey photo reconnaissance satellite..

1965 July 13 - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 R15002-05. FAILURE: Second stage guidance failure.. Failed Stage: 2.
  • Zenit-2 11F61 s/n 28 - . Payload: Zenit-2 11F61 s/n 28. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Decay Date: 1965-07-13 . COSPAR: F650713A. Summary: Area survey photo reconnaissance satellite..

1965 August 14 - . 11:16 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 U15001-02.
  • Cosmos 78 - . Payload: Zenit-2 11F61 s/n 30. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1965-08-22 . USAF Sat Cat: 1505 . COSPAR: 1965-066A. Apogee: 379 km (235 mi). Perigee: 330 km (200 mi). Inclination: 69.0000 deg. Period: 91.60 min. Summary: Area survey photo reconnaissance satellite..

1965 November 27 - . 08:24 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 U15001-05.
  • Cosmos 98 - . Payload: Zenit-2 11F61 s/n 31. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1965-12-05 . USAF Sat Cat: 1780 . COSPAR: 1965-097A. Apogee: 547 km (339 mi). Perigee: 205 km (127 mi). Inclination: 65.0000 deg. Period: 92.10 min. Summary: Area survey photo reconnaissance satellite..

1965 December 10 - . 08:09 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 U15001-04.
  • Cosmos 99 - . Payload: Zenit-2 11F61 s/n 32. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1965-12-18 . USAF Sat Cat: 1817 . COSPAR: 1965-103A. Apogee: 309 km (192 mi). Perigee: 203 km (126 mi). Inclination: 65.0000 deg. Period: 89.60 min. Summary: Area survey photo reconnaissance satellite..

1966 January 7 - . 08:24 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 104 - . Payload: Zenit-2 11F61 s/n 36. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1966-01-15 . USAF Sat Cat: 1903 . COSPAR: 1966-001A. Apogee: 379 km (235 mi). Perigee: 195 km (121 mi). Inclination: 65.0000 deg. Period: 90.20 min. Summary: Area survey photo reconnaissance satellite. Program not completely met. Spacecraft put into incorrect orbit by abnormal function of second and third stages of booster..

1966 January 22 - . 08:38 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 105 - . Payload: Zenit-2 11F61 s/n 38. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1966-01-30 . USAF Sat Cat: 1945 . COSPAR: 1966-003A. Apogee: 311 km (193 mi). Perigee: 203 km (126 mi). Inclination: 65.0000 deg. Period: 89.60 min. Summary: Area survey photo reconnaissance satellite..

1966 February 10 - . 08:52 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 107 - . Payload: Zenit-2 11F61 s/n 34. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1966-02-18 . USAF Sat Cat: 1998 . COSPAR: 1966-010A. Apogee: 313 km (194 mi). Perigee: 216 km (134 mi). Inclination: 65.0000 deg. Period: 89.70 min. Summary: Area survey photo reconnaissance satellite..

1966 March 17 - . 10:28 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 112 - . Payload: Zenit-2 11F61 s/n 37. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1966-03-25 . USAF Sat Cat: 2107 . COSPAR: 1966-021A. Apogee: 664 km (412 mi). Perigee: 214 km (132 mi). Inclination: 72.0000 deg. Period: 93.30 min. Summary: Area survey photo reconnaissance satellite..

1966 April 20 - . 10:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 115 - . Payload: Zenit-2 11F61 s/n 35. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1966-04-28 . USAF Sat Cat: 2147 . COSPAR: 1966-033A. Apogee: 283 km (175 mi). Perigee: 189 km (117 mi). Inclination: 65.0000 deg. Period: 89.20 min. Summary: . Program partially completed. Abnormal operation of SA-10 camera..

1966 May 6 - . 11:02 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 N15001-01.
  • Cosmos 117 - . Payload: Zenit-2 11F61 s/n 39. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1966-05-14 . USAF Sat Cat: 2163 . COSPAR: 1966-037A. Apogee: 314 km (195 mi). Perigee: 200 km (120 mi). Inclination: 64.9000 deg. Period: 89.60 min. Summary: Area survey photo reconnaissance satellite..

1966 September 16 - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. FAILURE: Launch vehicle destroyed. Failure of Block D core stage.. Failed Stage: 1.
  • Zenit-2 11F61 s/n 40 - . Payload: Zenit-2 11F61 s/n 40. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: RVSN. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Decay Date: 1966-09-16 . COSPAR: F660916A. Summary: Area survey photo reconnaissance satellite..

1966 October 14 - . 12:13 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 129 - . Payload: Zenit-2 11F61 s/n 33. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 7.00 days. Decay Date: 1966-10-21 . USAF Sat Cat: 2491 . COSPAR: 1966-091A. Apogee: 288 km (178 mi). Perigee: 199 km (123 mi). Inclination: 65.4000 deg. Period: 89.40 min. Summary: Area survey photo reconnaissance satellite..

1966 November 19 - . 08:09 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 N15001-08.
  • Cosmos 132 - . Payload: Zenit-2 11F61 s/n 46. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1966-11-27 . USAF Sat Cat: 2599 . COSPAR: 1966-106A. Apogee: 257 km (159 mi). Perigee: 202 km (125 mi). Inclination: 65.0000 deg. Period: 89.10 min. Summary: Area survey photo reconnaissance satellite..

1966 December 19 - . 12:00 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 136 - . Payload: Zenit-2 11F61 s/n 47. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1966-12-27 . USAF Sat Cat: 2624 . COSPAR: 1966-115A. Apogee: 281 km (174 mi). Perigee: 197 km (122 mi). Inclination: 64.6000 deg. Period: 89.30 min. Summary: Area survey photo reconnaissance satellite. Also carried science package..

1967 January 19 - . 12:39 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 138 - . Payload: Zenit-2 11F61 s/n 43. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1967-01-27 . USAF Sat Cat: 2646 . COSPAR: 1967-004A. Apogee: 273 km (169 mi). Perigee: 190 km (110 mi). Inclination: 64.6000 deg. Period: 89.10 min. Summary: Area survey photo reconnaissance satellite..

1967 February 27 - . 08:45 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92. LV Configuration: Vostok 8A92 U15001-03.
  • Cosmos 143 - . Payload: Zenit-2 11F61 s/n 45. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1967-03-07 . USAF Sat Cat: 2693 . COSPAR: 1967-017A. Apogee: 390 km (240 mi). Perigee: 202 km (125 mi). Inclination: 64.9000 deg. Period: 90.50 min. Summary: Placed into orbit with 22.8 second period different from that planned. Area survey photo reconnaissance satellite. Also carried science package..

1967 March 13 - . 12:10 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 147 - . Payload: Zenit-2 11F61 s/n 44. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1967-03-21 . USAF Sat Cat: 2710 . COSPAR: 1967-022A. Apogee: 298 km (185 mi). Perigee: 195 km (121 mi). Inclination: 64.5000 deg. Period: 89.40 min. Summary: Area survey photo reconnaissance satellite. Program partially completed..

1967 April 4 - . 14:00 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 153 - . Payload: Zenit-2 11F61 s/n 48. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1967-04-12 . USAF Sat Cat: 2740 . COSPAR: 1967-030A. Apogee: 279 km (173 mi). Perigee: 199 km (123 mi). Inclination: 64.6000 deg. Period: 89.30 min. Summary: Area survey photo reconnaissance satellite. Program partially completed. Failure of primary SA-20 camera..

1967 May 12 - . 10:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Vostok 8A92.
  • Cosmos 157 - . Payload: Zenit-2 11F61 s/n 49. Mass: 4,720 kg (10,400 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2. Duration: 8.00 days. Decay Date: 1967-05-20 . USAF Sat Cat: 2781 . COSPAR: 1967-044A. Apogee: 262 km (162 mi). Perigee: 249 km (154 mi). Inclination: 51.3000 deg. Period: 89.60 min. Summary: Area survey photo reconnaissance satellite. Program partially completed. Bad quality film loaded into SA-20 camera..

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