Launched the Gamma astrophysical observatory, a joint Soviet-French-Polish gamma-ray and X-ray astronomy satellite built on a Soyuz spacecraft bus; conceived in 1965 and delayed for decades, it studied high-energy cosmic sources from Baikonur until re-entering in 1992.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 7.3 T
- Flight
- 40th
- of 71 Soyuz-U2 flights
- Date and time
- 11 July 1990, 10:00 UTC
- Rocket
- Soyuz-U2
- Builder
- Progress RSC
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Astrophysics
- International designator
- 1990-058
- Launches in 1990
- 61st of 121
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