Kosmos 685 (Zenit-2M #51, Gektor #51), a Soviet medium-resolution film-return photoreconnaissance satellite for military mapping and surveillance. Voskhod from Baikonur Site 31/6 placed the craft in LEO for a short recoverable imaging mission.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 5.4 T (est.)
- Flight
- 254th
- of 299 Voskhod flights
- Date and time
- 20 September 1974, 09:30 UTC
- Rocket
- Voskhod
- Builder
- RKK Energia
- Launch site
- 31/6, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Government/Top Secret
- International designator
- 1974-073
- Launches in 1974
- 79th of 113
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