Kosmos 839 (DS-P1-M #9), a Soviet co-orbital anti-satellite test target. Kosmos-3M from Plesetsk Site 132/1 placed the Lira radar-calibration target in LEO for the later Kosmos 843 IS-A interceptor trial.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 1 T
- Flight
- 132nd
- of 445 Kosmos-3M (11K65M) flights
- Date and time
- 8 July 1976, 21:08 UTC
- Rocket
- Kosmos-3M (11K65M)
- Builder
- Polyot
- Launch site
- 132/1 (132L), Plesetsk Cosmodrome, Russian Federation
- Payload
- Test Target
- International designator
- 1976-067
- Launches in 1976
- 67th of 131
See it in orbit
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