Kosmos 1240, a Yantar-2K (Feniks) film-return photoreconnaissance satellite for the Soviet military. Soyuz-U from Baikonur Site 31/6; returned three film capsules (two small and one large) after about four weeks.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6.6 T (est.)
- Flight
- 226th
- of 714 Soyuz U flights
- Date and time
- 20 January 1981, 11:00 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 31/6, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Government/Top Secret
- International designator
- 1981-005
- Launches in 1981
- 5th of 126
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