A Proton-K launched the Cosmos 1946-1948 trio of GLONASS navigation satellites (serials 39L, 40L, 41L), restoring the constellation's orbital plane after a Proton failure destroyed the prior attempt in February 1988.
- Outcome
- Success
- Orbit
- MEO
- Medium Earth orbit
- Payload to orbit
- 4.7 T
- Flight
- 23rd
- of 110 Proton K/DM-2 flights
- Date and time
- 21 May 1988, 17:57 UTC
- Rocket
- Proton K/DM-2
- Builder
- Khrunichev
- Launch site
- 200/39 (200L), Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Navigation
- International designator
- 1988-043
- Launches in 1988
- 44th of 121
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas