
Kosmos 1645, the first Foton materials-science satellite, launched on a Soyuz-U from Plesetsk. The recoverable Vostok-derived capsule carried microgravity materials-processing experiments before returning to Earth.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 6.3 T
- Flight
- 397th
- of 714 Soyuz U flights
- Date and time
- 16 April 1985, 17:15 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 41/1, Plesetsk Cosmodrome, Russian Federation
- Payload
- Materials Science
- International designator
- 1985-029
- Launches in 1985
- 30th of 125
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas