Kosmos 431 (Zenit-2M/Gektor #21), a Soviet medium-resolution film-return photoreconnaissance satellite. Voskhod (11A57) from Baikonur Site 31/6 placed the craft in LEO on 30 July 1971 for a short optical imaging mission with a recoverable film capsule.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 5.4 T (est.)
- Flight
- 160th
- of 299 Voskhod flights
- Date and time
- 30 July 1971, 08:29 UTC
- Rocket
- Voskhod
- Builder
- RKK Energia
- Launch site
- 31/6, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Government/Top Secret
- International designator
- 1971-065
- Launches in 1971
- 72nd of 133
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