Kosmos 853, a Soviet Molniya-2 dual-use communications satellite intended for a highly elliptical Molniya orbit; launched on a Molniya-M from Plesetsk Site 43/3, but the Blok ML upper stage failed and left it in a useless low orbit.
- Outcome
- Partial
- Orbit
- Elliptical
- Elliptical orbit
- Payload to orbit
- 2 T (est.)
- Flight
- 77th
- of 272 Molniya-M 2BL flights
- Date and time
- 1 September 1976, 03:23 UTC
- Rocket
- Molniya-M 2BL
- Builder
- Progress RSC
- Launch site
- 43/3 (43L), Plesetsk Cosmodrome, Russian Federation
- Payload
- Government/Top Secret
- International designator
- 1976-088
- Launches in 1976
- 89th of 131
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