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From Wikipedia, the free encyclopedia

Kosmos 775
Mission typeEarly warning
OperatorVKS
COSPAR ID1975-097A
SATCAT no.8357
Mission durationfailed
Spacecraft properties
Spacecraft typeUS-KS (74Kh6)[1]
ManufacturerLavochkin[1]
Launch mass2,400 kilograms (5,300 lb)[1]
Start of mission
Launch date8 October 1975, 00:30:00 (1975-10-08UTC00:30Z) UTC[2]
RocketProton-K/DM
Launch siteBaikonur 81/23
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Instruments
Optical telescope with 50 centimetres (20 in) aperture [1]
Infrared sensor/s [1]
Smaller telescopes[1]
 

Kosmos 775 (Russian: Космос 775 meaning Cosmos 775) is a Soviet US-KS missile early warning satellite which was launched in 1975 as part of the Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.[1]

Kosmos 775 was launched from Site 81/23 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 00:30 UTC on 8 October 1975.[2][3] The launch attempted to place the satellite into geostationary orbit. It subsequently received its Kosmos designation, and the international designator 1975-097A.[2] The United States Space Command assigned it the Satellite Catalog Number 8357.[2][3]

It was the first US-KS satellite and was never operational. Podvig says its orbit was never stabilised,[3] NASA's National Space Science Data Centre says it exploded.[2] The next launch of one of these craft was Kosmos 1546 in 1984.

See also

References

  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 e "Cosmos 775". 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. CiteSeerX 10.1.1.692.6127. doi:10.1080/08929880212328. ISSN 0892-9882. Archived from the original (PDF) on 2012-03-15.


This page was last edited on 23 January 2021, at 08:07
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