Kosmos-3M from Plesetsk lofted Kosmos 1631, a Taifun-1 (Vektor) radar calibration and target satellite used to train and check Soviet air- and missile-defense radars.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 570 kg
- Flight
- 312th
- of 445 Kosmos-3M (11K65M) flights
- Date and time
- 27 February 1985, 12:56 UTC
- Rocket
- Kosmos-3M (11K65M)
- Builder
- Polyot
- Launch site
- 132/1 (132L), Plesetsk Cosmodrome, Russian Federation
- Payload
- Test Target
- International designator
- 1985-018
- Launches in 1985
- 18th of 125
See it in orbit
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