Kosmos 636 (Zenit-4MK/Germes #21), a Soviet high-resolution film-return photoreconnaissance satellite. Soyuz-U from Baikonur LC-31/6 placed the craft in LEO on 20 March 1974 for a short optical imaging mission with a recoverable film capsule for the GRU.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6 T
- Flight
- 4th
- of 714 Soyuz U flights
- Date and time
- 20 March 1974, 08:30 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 31/6, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Government/Top Secret
- International designator
- 1974-016
- Launches in 1974
- 17th of 113
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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