Soyuz-U launched the Kosmos 2156 (Yantar-4K2) optical reconnaissance satellite from Plesetsk for Soviet military intelligence.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6.6 T (est.)
- Flight
- 579th
- of 714 Soyuz U flights
- Date and time
- 19 September 1991, 16:20 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 43/3 (43L), Plesetsk Cosmodrome, Russian Federation
- Payload
- Government/Top Secret
- International designator
- 1991-066
- Launches in 1991
- 69th of 91
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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