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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. It returned lab experiments to Earth. The next mission, Soyuz 7K-ST No.16L (Soyuz 10a), had exploded and thus failed to launch.

Soyuz T-9

Mission type	Dock with Salyut 7
Operator	NPO Energia
COSPAR ID	1983-062A
SATCAT no.	14152
Mission duration	149 days 10 hours 45 minutes
Orbits completed	2,361
Spacecraft properties
Spacecraft	Soyuz 7K-ST No.16L
Spacecraft type	Soyuz 7K-ST
Manufacturer	NPO Energia
Launch mass	6,850 kg (15,100 lb)
Landing mass	2800 kg
Dimensions	7.13 m (23.4 ft) long 2.72 m (8 ft 11 in) wide
Crew
Crew size	2
Members	Vladimir Lyakhov Aleksandr Aleksandrov
Callsign	Proton
Start of mission
Launch date	27 June 1983, 09:12:00 UTC
Rocket	Soyuz-U
Launch site	Baikonur, 1/5
Contractor	NPO Energia
End of mission
Landing date	23 November 1983, 19:58:00 UTC
Landing site	160 km at the east of Dzhezkazgan, Kazakhstan
Orbital parameters
Reference system	Geocentric orbit
Regime	Low Earth orbit
Perigee altitude	201.0 km (124.9 mi)
Apogee altitude	229.0 km (142.3 mi)
Inclination	51.6°
Period	88.6 minutes
Docking with Salyut 7
Docking port	Aft
Soyuz programme ← Soyuz T-8 Soyuz 7K-ST No.16L →

Soyuz T-9 achieved successful docking with the station, although the mission was bracketed by the failed attempt of Soyuz T-8 and the launch pad abort of Soyuz T-10 which would follow immediately.[1]

Crew

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

Backup crew

Position	Crew
Commander	Vladimir Titov
Flight Engineer	Gennadi Strekalov

Mission parameters

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

Mission highlights

Fourth 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 Kosmos 1443 and commenced transferring the 3.5 tons of cargo lining its walls to Salyut 7.[2]

On 27 July 1983, 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.[3]

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 23 August 1983, and the FGB component continued in orbit until it was deorbited over the Pacific Ocean on 19 September 1983.

The crew also filmed scenes for the movie Return from Orbit.[4]

See also

• List of human spaceflights to Salyut space stations
• List of Salyut expeditions

References

На других языках

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- [en] Soyuz T-9

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[es] Soyuz T-9

Soyuz T-9 fue una misión espacial soviética tripulada realizada en una nave Soyuz T. Fue lanzada el 27 de junio de 1983 desde el cosmódromo de Baikonur mediante un cohete Soyuz hacia la estación Salyut 7 con dos cosmonautas a bordo.

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[ru] Союз Т-9

«Союз Т-9» — пилотируемый космический корабль.

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