Kosmos 1894 (Russian: Космос 1894 meaning Cosmos 1894) is a Soviet US-KS missile early warning satellite which was launched in 1987 as part of the Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.
|Mission type||Early warning|
|Mission duration||2 years|
|Spacecraft type||US-KS (74Kh6)|
|Launch mass||2,400 kilograms (5,300 lb)|
|Start of mission|
|Launch date||28 October 1987, 15:15:00 UTC|
|Launch site||Baikonur 200/40|
|End of mission|
|Deactivated||22 December 1991|
|Optical telescope with 50 centimetres (20 in) aperture |
Kosmos 2155 was launched from Site 200/40 at Baikonur Cosmodrome in the Kazakh SSR. A Proton-K carrier rocket with a DM-2 upper stage was used to perform the launch, which took place at 15:15 UTC on 28 October 1987. The launch successfully placed the satellite into geostationary orbit. It subsequently received its Kosmos designation, and the international designator 1987-091A. The United States Space Command assigned it the Satellite Catalog Number 18443.
- "US-KS (74Kh6)". Gunter's Space Page. 2012-03-30. Retrieved 2012-04-19.
- "Cosmos 1894". National Space Science Data Centre. 2012-04-10. Retrieved 2012-04-19.
- Podvig, Pavel (2002). "History and the Current Status of the Russian Early-Warning System" (PDF). Science and Global Security. 10: 21–60. doi:10.1080/08929880212328. ISSN 0892-9882. Archived from the original (pdf) on 2012-03-15.