Soyuz 25, the first crewed attempt to visit Salyut 6, with cosmonauts Vladimir Kovalyonok and Valery Ryumin. Soyuz-U from Baikonur Site 1/5 placed them in LEO; after five failed docking attempts they returned after about two days without boarding the station.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6.8 T
- Flight
- 80th
- of 714 Soyuz U flights
- Date and time
- 9 October 1977, 02:40 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Human Exploration
- International designator
- 1977-099
- Launches in 1977
- 104th of 130
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas