| Soyuz TM-8 | |||||
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| Mission insignia |
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| Mission statistics | |||||
| Mission name | Soyuz TM-8 | ||||
| Spacecraft mass | 7150 kg | ||||
| Crew size | 2 | ||||
| Call sign | Ви́тязь (Vityaz - Knight) | ||||
| Launch date | September 5, 1989 21:38:03 UTC Gagarin's Start |
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| Landing | February 19, 1990 04:36:18 UTC 55 km NE of Arkalyk[1] |
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| Mission duration | 166 days 06 hours 58 minutes 15 seconds | ||||
| Number of orbits | ~2,680 | ||||
| Apogee | 392 km | ||||
| Perigee | 390 km | ||||
| Orbital period | 92.4 minutes | ||||
| Orbital inclination | 51.6° | ||||
| Related missions | |||||
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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. 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.
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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.[2]
| Position | Crew | |
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| Commander | Alexander Viktorenko Mir EO-5 Second spaceflight |
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| Flight Engineer | Aleksandr Serebrov Mir EO-5 Third spaceflight |
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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]
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