Soyuz TM-8

Soyuz TM-8 was a 1989 spaceflight which carried the fifth long duration crew to the Soviet space station Mir. 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 crewed spaceflight to Mir, and spent 166 days in orbit.

Soyuz TM-8
COSPAR ID1989-071A
SATCAT no.20218
Mission duration166 days, 6 hours, 58 minutes, 15 seconds
Orbits completed~2,680
Spacecraft properties
SpacecraftSoyuz 7K-STM No. 58
Spacecraft typeSoyuz-TM
ManufacturerNPO Energia
Launch mass7,150 kilograms (15,760 lb)
Crew
Crew size2
MembersAleksandr Viktorenko
Aleksandr Serebrov
CallsignВи́тязь (Vityaz - Knight)
Start of mission
Launch date5 September 1989, 21:38:03 (1989-09-05UTC21:38:03Z) UTC
RocketSoyuz-U2
End of mission
Landing date19 February 1990, 04:36:18 (1990-02-19UTC04:36:19Z) UTC
Landing site55 kilometres (34 mi) NE of Arkalyk
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude390 kilometres (240 mi)
Apogee altitude392 kilometres (244 mi)
Inclination51.6 degrees
Period92.4 minutes
Docking with Mir
Docking date7 September 1989, 22:25:26: UTC
Undocking date19 February 1990, 01:06:20 UTC
Soyuz programme
(Crewed missions)
 
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