Progress 9

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Progress 9
A Progress 7K-TG spacecraft
Mission typeSalyut 6 resupply
COSPAR ID1980-033A Edit this at Wikidata
SATCAT no.11784[1]
Spacecraft properties
SpacecraftProgress (No.109)
Spacecraft typeProgress 7K-TG[2]
ManufacturerNPO Energia
Start of mission
Launch date27 April 1980, 06:24:00 UTC[1]
RocketSoyuz-U[2]
Launch siteBaikonur, Site 1/5
End of mission
DisposalDeorbited
Decay date22 May 1980, 00:44 UTC[3]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude185 km[3]
Apogee altitude255 km[3]
Inclination51.7°[3]
Period88.8 minutes[3]
Epoch27 April 1980
Docking with Salyut 6
Docking portAft[3]
Docking date29 April 1980, 08:09:19 UTC
Undocking date20 May 1980, 18:51 UTC

Progress 9 (Russian: Прогресс 9) was a Soviet unmanned Progress cargo spacecraft, which was launched in April 1980 to resupply the Salyut 6 space station.

Spacecraft

Progress 9 was a Progress 7K-TG spacecraft. The ninth of forty three to be launched, it had the serial number 109.[4][5] The Progress 7K-TG spacecraft was the first generation Progress, derived from the Soyuz 7K-T and intended for uncrewed logistics missions to space stations in support of the Salyut programme. On some missions the spacecraft were also used to adjust the orbit of the space station.[6]

The Progress spacecraft had a dry mass of 6,520 kilograms (14,370 lb), which increased to around 7,020 kilograms (15,480 lb) when fully fuelled. It measured 7.48 metres (24.5 ft) in length, and 2.72 metres (8 ft 11 in) in diameter. Each spacecraft could accommodate up to 2,500 kilograms (5,500 lb) of payload, consisting of dry cargo and propellant. The spacecraft were powered by chemical batteries, and could operate in free flight for up to three days, remaining docked to the station for up to thirty.[6]

Launch

Progress 9 launched on 27 April 1980 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U rocket.[2][7]

Docking

Progress 9 docked with the aft port of Salyut 6 on 29 April 1980 at 08:09:19 UTC, and was undocked on 20 May 1980 at 18:51 UTC.[3][8]

Decay

It remained in orbit until 22 May 1980, when it was deorbited. The deorbit burn occurred at 00:44 UTC and the mission ended at 01:30 UTC.[3][8]

See also

References

  1. ^ a b "Launchlog". Jonathan's Space Report. Retrieved 4 December 2020.
  2. ^ a b c "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 4 December 2020.
  3. ^ a b c d e f g h "Cargo spacecraft "Progress 9"". Manned Astronautics figures and facts. Archived from the original on 10 September 2007.
  4. ^ Krebs, Gunter. "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 26 November 2010.
  5. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 26 November 2010.
  6. ^ a b Hall, Rex D.; Shayler, David J. (2003). Soyuz: A Universal Spacecraft. Springer-Praxis. pp. 239–250. ISBN 1-85233-657-9.
  7. ^ "Progress 9". NASA. Retrieved 4 December 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  8. ^ a b "Salyut 6". Astronautix. Archived from the original on 10 December 2016. Retrieved 4 December 2020.
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