Soyuz-U from Baikonur Site 31/6 launched Soyuz 35 with cosmonauts Leonid Popov and Valery Ryumin to Salyut 6 as the EO-4 long-duration resident crew; they spent 185 days in space, setting a new endurance record.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6.8 T
- Flight
- 186th
- of 714 Soyuz U flights
- Date and time
- 9 April 1980, 13:38 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Human Exploration
- International designator
- 1980-027
- Launches in 1980
- 27th of 108
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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