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Soyuz TM-8

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Title: Soyuz TM-8  
Author: World Heritage Encyclopedia
Language: English
Subject: Mir EO-5, Soyuz TM-9, Soyuz TM-7, Soyuz TM-15, Soyuz TM-23
Collection: 1989 in the Soviet Union, Manned Soyuz Missions, Spacecraft Launched in 1989
Publisher: World Heritage Encyclopedia

Soyuz TM-8

Soyuz TM-8
Mission duration 166 days, 6 hours, 58 minutes, 15 seconds
Orbits completed ~2,680
Spacecraft properties
Spacecraft type Soyuz-TM
Manufacturer NPO Energia
Launch mass 7,150 kilograms (15,760 lb)
Crew size 2
Members Alexander Viktorenko
Aleksandr Serebrov
Callsign Ви́тязь (Vityaz - Knight)
Start of mission
Launch date September 5, 1989, 21:38:03 (1989-09-05T21:38:03Z) UTC
Rocket Soyuz-U2
End of mission
Landing date Did not recognize date. Try slightly modifying the date in the first parameter. UTC
Landing site 55 kilometres (34 mi) NE of Arkalyk[1]
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee 390 kilometres (240 mi)
Apogee 392 kilometres (244 mi)
Inclination 51.6 degrees
Period 92.4 minutes
Docking with Mir

Soyuz programme
(Manned missions)
← Soyuz TM-7 Soyuz TM-9

Soyuz TM-8 was a spacecraft used to launch and land the crew of the fifth long duration crew to the Soviet Space Station Mir.[2] It was part of the Soyuz-TM series of spacecraft, which were the fourth generation of the Soviet Soyuz. Soyuz TM-8 was the eighth manned spaceflight to Mir, and spent 166 days in orbit.


  • Crew 1
  • Launch and Docking 2
  • Return to Earth 3
  • References 4


The crew consisted of two Soviet cosmonauts. They had both been in space, but only Viktorenko had previously been to Mir, which was a 7 day visit during Mir EP-1.[3]

Position Crew
Commander  Alexander Viktorenko
Mir EO-5
Second spaceflight
Flight Engineer  Aleksandr Serebrov
Mir EO-5
Third spaceflight

Launch and Docking

The Soyuz-U2 rocket was painted with advertisements. During the Soyuz spacecraft's final approach to Mir (4 metre distance), the Kurs rendezvous and docking system malfunctioned, so Viktorenko took over manual control and withdrew to 20 metres, and then docked manually. The spacecraft spent 166 days attached to Mir, for the duration of the expedition Mir EO-5.

Return to Earth

Soyuz TM-8 landed at 04:36 UTC on 19 February 1990, after an uneventful flight to Earth.[1]


  1. ^ a b Mark Wade. "Mir EO-5".  
  2. ^ The mission report is available here:
  3. ^ Mark Wade. "Mir EP-1".  
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