
Soyuz-U from Plesetsk Site 41/1 launched Kosmos 1129 (Bion 5), an international biomedical research biosatellite with rats, plants, and other specimens from nine countries; recovered after about 18.5 days, including a failed first attempt at mammalian breeding in space.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6.3 T (est.)
- Flight
- 170th
- of 714 Soyuz U flights
- Date and time
- 25 September 1979, 15:30 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 41/1, Plesetsk Cosmodrome, Russian Federation
- Payload
- Biology
- International designator
- 1979-083
- Launches in 1979
- 86th of 110
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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