Mission type Early warning SATCAT no. 18701 Spacecraft type US-K | COSPAR ID 1987-105A Mission duration 4 years Launch date 21 December 1987 | |
Launch mass 1,900 kilograms (4,200 lb) People also search for Kosmos 1849, Kosmos 1851 | ||
Kosmos 1903 (Russian: Космос 1903 meaning Cosmos 1903) is a Soviet US-K missile early warning satellite which was launched in 1987 as part of the Soviet military's Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.
Kosmos 1903 was launched from Site 41/1 at Plesetsk Cosmodrome in the Russian SSR. A Molniya-M carrier rocket with a 2BL upper stage was used to perform the launch, which took place at 22:35 UTC on 21 December 1987. The launch successfully placed the satellite into a molniya orbit. It subsequently received its Kosmos designation, and the international designator 1987-105A. The United States Space Command assigned it the Satellite Catalog Number 18701.
References
Kosmos 1903 Wikipedia(Text) CC BY-SA