Soyuz-U from Plesetsk launched Cosmos 1713 (Efir #2), a scientific satellite measuring the energy spectrum and charge composition of primary cosmic rays above about 2 TeV during a short LEO mission.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 5.4 T (est.)
- Flight
- 426th
- of 714 Soyuz U flights
- Date and time
- 27 December 1985, 17:06 UTC
- Rocket
- Soyuz U
- Builder
- Progress RSC
- Launch site
- 41/1, Plesetsk Cosmodrome, Russian Federation
- Payload
- Astrophysics
- International designator
- 1985-120
- Launches in 1985
- 124th of 125
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas