Kosmos 523
Mission typeABM radar target
COSPAR ID1972-078A
SATCAT no.06222Edit this on Wikidata
Spacecraft properties
Spacecraft typeDS-P1-Yu
ManufacturerYuzhnoye
Launch mass325 kilograms (717 lb)
Start of mission
Launch date5 October 1972, 11:30:00 (1972-10-05UTC11:30Z) UTC
RocketKosmos-2I 63SM
Launch sitePlesetsk 133/1
End of mission
Decay date7 March 1973 (1973-03-08)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude264 kilometres (164 mi)
Apogee altitude450 kilometres (280 mi)
Inclination71 degrees
Period91.7 minutes
 

Kosmos 523 (Russian: Космос 523 meaning Cosmos 523), known before launch as DS-P1-Yu No.63, was a Soviet satellite which was launched in 1972 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 523 was successfully launched into low Earth orbit at 11:30:00 UTC on 5 October 1972.[2] The launch took place from Site 133/1 at the Plesetsk Cosmodrome,[3] and used a Kosmos-2I 63SM carrier rocket. Upon reaching orbit, the satellite was assigned its Kosmos designation, and received the International Designator 1972-078A.[4] The North American Aerospace Defense Command assigned it the catalogue number 06222.

Kosmos 523 was the fifty-seventh of seventy nine DS-P1-Yu satellites to be launched,[1] and the fifty-first of seventy two to successfully reach orbit.[5] It was operated in an orbit with a perigee of 264 kilometres (164 mi), an apogee of 450 kilometres (280 mi), 71 degrees of inclination, and an orbital period of 91.7 minutes.[6] It remained in orbit until it decayed and reentered the atmosphere on 7 March 1973.[6]

See also

References

  1. 1 2 Wade, Mark. "DS-P1-Yu". Encyclopedia Astronautica. Archived from the original on 2 June 2012. Retrieved 31 August 2009.
  2. ↑ Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Archived from the original on 18 June 2012. Retrieved 31 August 2009.
  3. ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 31 August 2009.
  4. ↑ "Cosmos 523". NSSDC Master Catalog. US National Space Science Data Center. Retrieved 31 August 2009.
  5. ↑ Krebs, Gunter. "DS-P1-Yu (11F618)". Gunter's Space Page. Retrieved 31 August 2009.
  6. 1 2 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 31 August 2009.


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