Soyuz T-9

Soyuz T-9 (Russian: Союз Т-9, Union T-9) was the 4th expedition to Salyut 7 following the failed docking of Soyuz T-8. Returned lab experiments to earth. The next mission, Soyuz T-10a, had failed to launch due to a fire.

Soyuz T-9
COSPAR ID1983-062A
SATCAT no.14152
Mission duration149 days, 10 hours, 45 minutes,
Orbits completed2,361
Spacecraft properties
Spacecraft typeSoyuz-T
ManufacturerNPO Energia
Launch mass6,850 kilograms (15,100 lb)
Crew
Crew size2
MembersVladimir Lyakhov
Aleksandr Aleksandrov
CallsignProton
Start of mission
Launch dateJune 27, 1983, 09:12:00 (1983-06-27UTC09:12Z) UTC
RocketSoyuz-U
Launch siteBaikonur 1/5
End of mission
Landing dateNovember 23, 1983, 19:58:00 (1983-11-23UTC19:59Z) UTC
Landing site160 kilometres (99 mi) E of Dzhezkazgan
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude201 kilometres (125 mi)
Apogee altitude229 kilometres (142 mi)
Inclination51.6 degrees
Period88.6 minutes
Docking with Salyut 7
Soyuz programme
(Crewed missions)
 

Crew

Position Crew
Commander Vladimir Lyakhov
Second spaceflight
Flight Engineer Aleksandr Aleksandrov
First spaceflight

Backup crew

Position Crew
Commander Vladimir Titov
Flight Engineer Gennady Strekalov

Mission parameters

  • Mass: 6850 kg
  • Perigee: 201 km
  • Apogee: 229 km
  • Inclination: 51.6°
  • Period: 88.6 minutes

Mission highlights

4th expedition to Salyut 7. Its mission was heavily impacted by the Soyuz T-8 docking failure and the Soyuz T-10a Soyuz booster failures which bracketed it.

Almost immediately after docking at Salyut 7's aft port, the crew entered Cosmos 1443 and commenced transferring the 3.5 tons of cargo lining its walls to Salyut 7.

Window impact: On July 27 a small object struck a Salyut 7 viewport. It blasted out a 4-mm crater, but did not penetrate the outer of the window's two panes. The Soviets believed it was a member of the Delta Aquariid meteor shower, though it may have been a small piece of orbital debris.

The crew loaded Cosmos 1443's VA capsule with 350 kg of experiment results and hardware no longer in use. It could have held 500 kg, had they had that much to put in. Cosmos 1443 then undocked, in spite of Western predictions that the FGB component would remain attached to Salyut 7 as a space station module. The VA capsule soft-landed on August 23, and the FGB component continued in orbit until it was deorbited over the Pacific Ocean on September 19.

The crew also filmed scenes for the movie Return from Orbit.[1]

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See also

References

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