Kosmos 1903, a US-K (Oko) early-warning satellite for the Soviet military, launched on a Molniya-M/Blok-2BL from Plesetsk into a highly elliptical Molniya orbit to detect U.S. ICBM launches via infrared sensors.
- Outcome
- Success
- Orbit
- Elliptical
- Elliptical orbit
- Payload to orbit
- 1.6 T (est.)
- Flight
- 200th
- of 272 Molniya-M 2BL flights
- Date and time
- 21 December 1987, 22:35 UTC
- Rocket
- Molniya-M 2BL
- Builder
- Progress RSC
- Launch site
- 41/1, Plesetsk Cosmodrome, Russian Federation
- Payload
- Government/Top Secret
- International designator
- 1987-105
- Launches in 1987
- 109th of 114
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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