Raduga 1 (Gran 11L), the first operational Soviet Raduga/Gran geostationary dual-use military and civilian communications satellite on the KAUR-3 bus. Proton-K/Blok-DM from Baikonur Site 81/24 placed the ~2,000 kg craft in GEO on 22 December 1975 for C-band telephone, telegraph, and TV relay.
- Outcome
- Success
- Orbit
- Direct-GEO
- Geostationary orbit
- Payload to orbit
- 2.8 T
- Flight
- 4th
- of 66 Proton-K/DM flights
- Date and time
- 22 December 1975, 13:00 UTC
- Rocket
- Proton-K/DM
- Builder
- Khrunichev
- Launch site
- 81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Communications
- International designator
- 1975-123
- Launches in 1975
- 130th of 132
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas