Proton-K/DM-2 carrying the Gorizont 25L communications satellite failed when a propellant feed line in the third stage ruptured, destroying the payload before it could reach geostationary transfer orbit.
- Outcome
- Failure
- Orbit
- Direct-GEO
- Geostationary orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 20th
- of 110 Proton K/DM-2 flights
- Date and time
- 18 January 1988, 09:58 UTC
- Rocket
- Proton K/DM-2
- Builder
- Khrunichev
- Launch site
- 200/40, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Communications
- Launches in 1988
- 3rd of 121