Proton-K/DM-2 launched Kosmos 2155, a US-KS missile early-warning satellite of the Oko program, into geostationary orbit to detect ICBM launches using onboard telescopes and infrared sensors.
- Outcome
- Success
- Orbit
- Direct-GEO
- Geostationary orbit
- Payload to orbit
- 2.1 T (est.)
- Flight
- 51st
- of 110 Proton K/DM-2 flights
- Date and time
- 13 September 1991, 17:51 UTC
- Rocket
- Proton K/DM-2
- Builder
- Khrunichev
- Launch site
- 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Government/Top Secret
- International designator
- 1991-064
- Launches in 1991
- 67th of 91
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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