Interkosmos 21 (AUOS-Z-R-P-IK), a Soviet-led international science satellite with Czechoslovakia, East Germany, Hungary, and Romania, launched on a Kosmos-3M from Plesetsk to study oceans and Earth's surface and automate data collection from sea and land stations.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 995 kg
- Flight
- 232nd
- of 445 Kosmos-3M (11K65M) flights
- Date and time
- 6 February 1981, 08:00 UTC
- Rocket
- Kosmos-3M (11K65M)
- Builder
- Polyot
- Launch site
- 132/1 (132L), Plesetsk Cosmodrome, Russian Federation
- Payload
- Earth Science
- International designator
- 1981-011
- Launches in 1981
- 12th of 126
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas