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by | Mar 21, 2018 | Azalea

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Progress 21 (Russian: Прогресс 21) was a Soviet uncrewed Progress cargo spacecraft, which was launched in May 1984 to resupply the Salyut 7 space station.

Launch

Progress 21 launched on 7 May 1984 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U rocket.[2][4]

Docking

Progress 21 docked with the aft port of Salyut 7 on 10 May 1984 at 00:10 UTC, and was undocked on 26 May 1984 at 09:41 UTC.[3][5]

Decay

It remained in orbit until 26 May 1984, when it was deorbited. The deorbit burn occurred at 15:00:30 UTC, with the mission ending at around 15:45 UTC.[3][5]

See also

References

  1. ^ a b "Launchlog". Jonathan's Space Report. Retrieved 5 December 2020.
  2. ^ a b c "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 5 December 2020.
  3. ^ a b c d e f g h "Cargo spacecraft "Progress 21"". Manned Astronautics figures and facts. Archived from the original on 13 October 2007.
  4. ^ "Progress 21". NASA. Retrieved 5 December 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  5. ^ a b "Salyut 7". Astronautix. Archived from the original on 11 December 2016. Retrieved 5 December 2020.
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