Kosmos 1783


Kosmos 1783
Mission typeEarly warning
COSPAR ID1986-075A
SATCAT no.16993
Mission duration4 years [1]
Spacecraft properties
Spacecraft typeUS-K [2]
Launch mass1,900 kilograms (4,200 lb)[3]
Start of mission
Launch date3 October 1986, 13:05 (1986-10-03UTC13:05Z) UTC
Launch sitePlesetsk Cosmodrome[2][3]
Orbital parameters
Reference systemGeocentric
RegimeMolniya [2]
Perigee altitude611 kilometres (380 mi)[4]
Apogee altitude20,041 kilometres (12,453 mi)[4]
Inclination62.8 degrees[4]
Period358.10 minutes[4]

Kosmos 1783 (Russian: Космос 1783 meaning Cosmos 1783) is a Soviet US-K missile early warning satellite which was launched in 1986 as part of the Soviet military's Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.[2]

Kosmos 1783 was launched from Site 41/1 at Plesetsk Cosmodrome in the Russian SSR.[5] A Molniya-M carrier rocket with a 2BL upper stage was used to perform the launch, which took place at 13:05 UTC on 3 October 1986.[3] The launch placed the satellite into a molniya orbit but not into a usable orbit due to upper stage failure.[6]

It subsequently received its Kosmos designation, and the international designator 1986-075A.[3] The United States Space Command assigned it the Satellite Catalog Number 16993.[3]

See also


  1. ^ Podvig, Pavel (2002). "History and the Current Status of the Russian Early-Warning System" (PDF). Science and Global Security. 10: 21–60. CiteSeerX doi:10.1080/08929880212328. ISSN 0892-9882. Archived from the original (PDF) on 2012-03-15.
  2. ^ a b c d e "US-K (73D6)". Gunter's Space Page. 2012-03-08. Retrieved 2012-04-21.
  3. ^ a b c d e "Cosmos 1783". National Space Science Data Centre. 2012-04-20. Retrieved 2012-04-25.
  4. ^ a b c d McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 30 April 2012.
  5. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2 May 2012.
  6. ^ Wade, Mark. "Molniya 8K78M". Encyclopedia Astronautica. Archived from the original on 8 May 2012. Retrieved 2 May 2012.