Soyuz TM-8 was a 1989 spaceflight which carried 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 crewed spaceflight to Mir, and spent 166 days in orbit.
COSPAR ID | 1989-071A ![]() |
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SATCAT no. | 20218![]() |
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 | |
Crew size | 2 |
Members | Aleksandr Viktorenko Aleksandr Serebrov |
Callsign | Ви́тязь (Vityaz - Knight) |
Start of mission | |
Launch date | 5 September 1989, 21:38:03 (1989-09-05UTC21:38:03Z) UTC |
Rocket | Soyuz-U2 |
End of mission | |
Landing date | 19 February 1990, 04:36:18 (1990-02-19UTC04:36:19Z) UTC |
Landing site | 55 kilometres (34 mi) NE of Arkalyk[1] |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Perigee altitude | 390 kilometres (240 mi) |
Apogee altitude | 392 kilometres (244 mi) |
Inclination | 51.6 degrees |
Period | 92.4 minutes |
Docking with Mir | |
Docking date | 7 September 1989, 22:25:26: UTC |
Undocking date | 19 February 1990, 01:06:20 UTC |
![]() Soyuz programme (Crewed missions) |
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 | |
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Commander | ![]() Mir EO-5 Second spaceflight | |
Flight Engineer | ![]() Mir EO-5 Third spaceflight |
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.
Soyuz TM-8 landed at 04:36 UTC on 19 February 1990, after an uneventful flight to Earth.[1]
Soyuz programme | |||||||||||||||||||||||||||
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Main topics |
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Past missions (by spacecraft type) |
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Current missions | |||||||||||||||||||||||||||
Future missions |
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Uncrewed missions are designated as Kosmos instead of Soyuz; exceptions are noted "(uncrewed)". The † sign designates failed missions. Italics designates cancelled missions. |
Human spaceflights to Mir | ||
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1986–1990 | ![]() | |
1991–1995 | ||
1996–2000 |
← 1988 · Orbital launches in 1989 · 1990 → | |
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Kosmos 1987 · Kosmos 1988 · Kosmos 1989 | Kosmos 1990 | Kosmos 1991 | Gorizont No.29L | Kosmos 1992 | Intelsat VA F-15 | Kosmos 1993 | Progress 40 | Kosmos 1994 · Kosmos 1995 · Kosmos 1996 · Kosmos 1997 · Kosmos 1998 · Kosmos 1999 | Kosmos 2000 | Kosmos 2001 | Kosmos 2002 | USA-35 | Molniya-1 No.84 | Kosmos 2003 | Akebono | Kosmos 2004 | Meteor-2 No.22 | Kosmos 2005 | JCSAT-1 · Meteosat 4 | STS-29 (TDRS-4) | Kosmos 2006 | Progress 41 | Kosmos 2007 | Kosmos 2008 · Kosmos 2009 · Kosmos 2010 · Kosmos 2011 · Kosmos 2012 · Kosmos 2013 · Kosmos 2014 · Kosmos 2015 | USA-36 | Tele-X | Kosmos 2016 | Kosmos 2017 | Gran' No.33L | Kosmos 2018 | Foton No.5L | STS-30 (Magellan) | Kosmos 2019 | USA-37 | Kosmos 2020 | Kosmos 2021 | Resurs-F1 No.45 · Pion 1 · Pion 2 | Kosmos 2022 · Kosmos 2023 · Kosmos 2024 | Kosmos 2025 | Superbird-A · DFS Kopernikus 1 | Kosmos 2026 | Molniya-3 No.45 | Okean-O1 No.4 | USA-38 | Kosmos 2027 | USA-39 | Kosmos 2028 | Globus No.11 | Resurs-F1 No.46 | Nadezhda No.403 | Kosmos 2029 | Gorizont No.27L | Olympus F1 | Kosmos 2030 | Resurs-F1 No.47 · Pion 3 · Pion 4 | Kosmos 2031 | Kosmos 2032 | Kosmos 2033 | Kosmos 2034 | Kosmos 2035 | STS-28 (USA-40 · USA-41) | TV-SAT 2 · Hipparcos | Resurs-F2 No.4 | USA-42 | Kosmos 2036 | Progress M-1 | Marco Polo 1 | Kosmos 2037 | USA-43 · USA-44 | Himawari 4 | Soyuz TM-8 | USA-45 | Resurs-F1 No.48 | Kosmos 2038 · Kosmos 2039 · Kosmos 2040 · Kosmos 2041 · Kosmos 2042 · Kosmos 2043 | Kosmos 2044 | Kosmos 2045 | USA-46 | Molniya-1 No.69 | Kosmos 2046 | Interkosmos 24 · Magion 2 | Gorizont No.31L | Kosmos 2047 | Kosmos 2048 | STS-34 (Galileo) | USA-47 | Meteor-3 No.4 | Intelsat VI F-2 | Kosmos 2049 | COBE | STS-33 (USA-48) | Kosmos 2050 | Kosmos 2051 | Kvant 2 | Molniya-3 No.46 | Kosmos 2052 | Granat | USA-49 | Gran' No.36L | Progress M-2 | Kosmos 2053 | Kosmos 2054 | |
Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in underline. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets). |