Kosmos 1546

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Kosmos 1546
Mission type Early warning
Operator VKS
COSPAR ID 1984-031A
SATCAT № 14867
Mission duration 18 months
Spacecraft properties
Spacecraft type US-KS (74Kh6)[1]
Manufacturer Lavochkin[1]
Launch mass 2,400 kilograms (5,300 lb)[1]
Start of mission
Launch date 29 March 1984, 05:53:00 (1984-03-29UTC05:53Z) UTC[2]
Rocket Proton-K/DM
Launch site Baikonur 200/40
End of mission
Deactivated 16 November 1986
Orbital parameters
Reference system Geocentric
Regime Geostationary
Optical telescope with 50 centimetres (20 in) aperture [1]
Infrared sensor/s [1]
Smaller telescopes[1]

Kosmos 1546 (Russian: Космос 1546 meaning Cosmos 1546) is a Soviet US-KS missile early warning satellite which was launched in 1984 as part of the Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.[1]

Kosmos 1546 was launched from Site 200/40 at Baikonur Cosmodrome in the Kazakh SSR.[1] A Proton-K carrier rocket with a DM upper stage was used to perform the launch, which took place at 05:53 UTC on 29 March 1984.[2][3] The launch successfully placed the satellite into geostationary orbit. It subsequently received its Kosmos designation, and the international designator 1984-031A.[2] The United States Space Command assigned it the Satellite Catalog Number 14884.[2][3]

It was operational for about 30 months.[3]

See also[edit]


  1. ^ a b c d e f g h "US-KS (74Kh6)". Gunter's Space Page. 2012-03-30. Retrieved 2012-04-19. 
  2. ^ a b c d "Cosmos 1546". National Space Science Data Centre. 2012-04-10. Retrieved 2012-04-19. 
  3. ^ a b c 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.