Kosmos 731 (Zenit-2M #57, Gektor #57) with Nauka-9KS 2L, a Soviet area-survey film-return photoreconnaissance satellite for the GRU plus an attached science module. Voskhod from Baikonur Site 31/6 placed the stack in LEO for optical imaging and research.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6 T (est.)
- Flight
- 269th
- of 299 Voskhod flights
- Date and time
- 21 May 1975, 06:59 UTC
- Rocket
- Voskhod
- Builder
- RKK Energia
- Launch site
- 31/6, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Government/Top Secret
- International designator
- 1975-041
- Launches in 1975
- 44th of 132
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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