Kosmos 311

Kosmos 311 (Russian: Космос 311 meaning Cosmos 311), known before launch as DS-P1-Yu No.27, was a Soviet satellite which was launched in 1969 as part of the Dnepropetrovsk Sputnik programme. It was a 325-kilogram (717 lb) spacecraft, which was built by the Yuzhnoye Design Bureau, and was used as a radar calibration target for anti-ballistic missile tests.[1]

Kosmos 311
Mission typeABM radar target
COSPAR ID1969-102A
SATCAT no.04252
Spacecraft properties
Spacecraft typeDS-P1-Yu
ManufacturerYuzhnoye
Launch mass325 kilograms (717 lb)
Start of mission
Launch date24 November 1969, 11:00:04 (1969-11-24UTC11:00:04Z) UTC
RocketKosmos-2I 63SM
Launch sitePlesetsk 133/1
End of mission
Decay date10 March 1970 (1970-03-11)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude263 kilometres (163 mi)
Apogee altitude438 kilometres (272 mi)
Inclination71 degrees
Period91.5 minutes
 

Launch

Kosmos 311 was launched from Site 133/1 at the Plesetsk Cosmodrome,[2] atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 24 November 1969 at 11:00:04 UTC, and resulted in the successful deployment of Kosmos 311 into low Earth orbit.[3] Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1969-102A.

Kosmos 311 was operated in an orbit with a perigee of 263 kilometres (163 mi), an apogee of 438 kilometres (272 mi), 71 degrees of inclination, and an orbital period of 91.5 minutes.[1][4] It remained in orbit until it decayed and reentered the atmosphere on 10 March 1970.[4] It was the twenty-seventh of seventy nine DS-P1-Yu satellites to be launched,[1] and the twenty-fifth of seventy two to successfully reach orbit.[5]

gollark: It might be your DNS server which is broken.
gollark: osmarks.tk can access the main internet™ and other networks™ using some stuff.
gollark: Yes.
gollark: "One end is your computer. The other end is China. End-to-end!"
gollark: Unlikely.

See also

References
  1. Wade, Mark. "DS-P1-Yu". Encyclopedia Astronautica. Archived from the original on 18 May 2012. Retrieved 14 August 2009.
  2. McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 14 August 2009.
  3. Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Archived from the original on 8 July 2012. Retrieved 14 August 2009.
  4. McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 14 August 2009.
  5. Krebs, Gunter. "DS-P1-Yu (11F618)". Gunter's Space Page. Retrieved 14 August 2009.


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