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Kosmos 123
Mission typeABM radar target
COSPAR ID1966-061A
SATCAT no.02295
Mission duration155 days
Spacecraft properties
Spacecraft typeDS-P1-Yu
Launch mass325 kg [1]
Start of mission
Launch date8 July 1966, 05:31:00 GMT
RocketKosmos-2I 63S1
Launch siteKapustin Yar, Site 86/1
End of mission
Decay date10 December 1966
Orbital parameters
Reference systemGeocentric [2]
RegimeLow Earth
Perigee altitude256 km
Apogee altitude512 km
Period92.2 minutes
Epoch8 July 1966

Kosmos 123 (Russian: Космос 123 meaning Cosmos 123), also known as DS-P1-Yu No.5 was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles.[3] It was built by the Yuzhnoye Design Bureau, and launched in 1966 as part of the Dnepropetrovsk Sputnik programme.[4]

A Kosmos-2I 63S1 carrier rocket was used to launch Kosmos 123.[5] The launch occurred from Site 86/1 at Kapustin Yar, at 05:31 GMT on 8 July 1966.[6] and following its successful arrival in orbit the spacecraft received its Kosmos designation; along with the International Designator 1966-061A [1] and the Satellite Catalog Number 02295.

Kosmos 123 separated from the carrier rocket into a low Earth orbit with a perigee of 256 kilometres (159 mi), an apogee of 512 kilometres (318 mi), an inclination of 48.8°, and an orbital period of 92.2 minutes.[2] It decayed from orbit on 10 December 1966.[7] Kosmos 123 was the sixth of seventy-nine DS-P1-Yu satellites to be launched,[4] and the fifth of seventy-two to successfully reach orbit.

See also


  1. ^ a b "Cosmos 123: Display 1966-061A". NASA. 27 February 2020. Retrieved 31 March 2020. This article incorporates text from this source, which is in the public domain.
  2. ^ a b "Cosmos 112: Trajectory 1966-021A". NASA. 27 February 2020. Retrieved 31 March 2020.
  3. ^ Krebs, Gunter. "DS-P1-Yu (11F618)". Gunter's Space Page. Retrieved 9 August 2009.
  4. ^ a b Wade, Mark. "DS-P1-Yu". Encyclopedia Astronautica. Archived from the original on 18 May 2012. Retrieved 9 August 2009.
  5. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 9 August 2009.
  6. ^ Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Archived from the original on 8 July 2012. Retrieved 9 August 2009.
  7. ^ McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 9 August 2009.
This page was last edited on 18 January 2021, at 12:57
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