Kosmos 423
Mission typeABM radar target
COSPAR ID1971-047A
SATCAT no.05246Edit this on Wikidata
Spacecraft properties
Spacecraft typeDS-P1-Yu
ManufacturerYuzhnoye
Launch mass325 kilograms (717 lb)
Start of mission
Launch date27 May 1971, 11:59:55 (1971-05-27UTC11:59:55Z) UTC
RocketKosmos-2I 63SM
Launch sitePlesetsk 133/1
End of mission
Decay date26 November 1971 (1971-11-27)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude268 kilometres (167 mi)
Apogee altitude462 kilometres (287 mi)
Inclination71 degrees
Period91.8 minutes
 

Kosmos 423 (Russian: Космос 423 meaning Cosmos 423), known before launch as DS-P1-Yu No.47, was a Soviet satellite which was launched in 1971 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]

Launch

Kosmos 423 was successfully launched into low Earth orbit on 27 May 1971, with the rocket lifting off at 11:59:55 UTC.[2] The launch took place from Site 133/1 at the Plesetsk Cosmodrome,[3] and used a Kosmos-2I 63SM carrier rocket.

Orbit

Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1971-047A.[4]

Kosmos 423 was the forty-third of seventy nine DS-P1-Yu satellites to be launched,[1] and the thirty-ninth of seventy two to successfully reach orbit.[5] It was operated in an orbit with a perigee of 268 kilometres (167 mi), an apogee of 462 kilometres (287 mi), 71 degrees of inclination, and an orbital period of 91.8 minutes.[1][6] It remained in orbit until it decayed and reentered the atmosphere on 26 November 1971.[6]

See also

References

  1. 1 2 3 Wade, Mark. "DS-P1-Yu". Encyclopedia Astronautica. Archived from the original on 2 June 2012. Retrieved 27 August 2009.
  2. ↑ Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Archived from the original on 18 June 2012. Retrieved 27 August 2009.
  3. ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 27 August 2009.
  4. ↑ "Cosmos 423". NSSDC Master Catalog. US National Space Science Data Center. Retrieved 27 August 2009.
  5. ↑ Krebs, Gunter. "DS-P1-Yu (11F618)". Gunter's Space Page. Retrieved 27 August 2009.
  6. 1 2 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 27 August 2009.


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