Kosmos 773 (Strela-2M #10), a Soviet military store-and-dump communications satellite of the Strela-2M constellation. Kosmos-3M from Plesetsk Site 132/1 placed the craft in LEO on 30 September 1975 to relay messages for ground forces.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 800 kg
- Flight
- 112th
- of 445 Kosmos-3M (11K65M) flights
- Date and time
- 30 September 1975, 18:37 UTC
- Rocket
- Kosmos-3M (11K65M)
- Builder
- Polyot
- Launch site
- 132/1 (132L), Plesetsk Cosmodrome, Russian Federation
- Payload
- Government/Top Secret
- International designator
- 1975-094
- Launches in 1975
- 98th of 132
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