Kosmos 1285, a US-K (Oko) missile early-warning satellite intended to watch for ICBM launches from highly elliptical Molniya orbit. Molniya-M/2BL from Plesetsk Site 16/2 lofted the craft, but it never entered operational service and was deactivated within months.
- Outcome
- Success
- Orbit
- Elliptical
- Elliptical orbit
- Payload to orbit
- 1.6 T (est.)
- Flight
- 128th
- of 272 Molniya-M 2BL flights
- Date and time
- 4 August 1981, 00:12 UTC
- Rocket
- Molniya-M 2BL
- Builder
- Progress RSC
- Launch site
- 16/2, Plesetsk Cosmodrome, Russian Federation
- Payload
- Government/Top Secret
- International designator
- 1981-071
- Launches in 1981
- 73rd of 126
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