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Soyuz TM-27 is a Russian spacecraft that ferried cosmonauts and supplies to the Mir, the Russian space station. It was the 33rd expedition to Mir. It was launched by a Soyuz-U rocket from Baikonur Cosmodrome on January 29, 1998. The main mission was to exchange one crew member, carry out French mission PEGASE, and conduct routine science experiments.

Soyuz TM-27
COSPAR ID1998-004A
SATCAT no.25146Edit this on Wikidata
Mission duration207 days, 12 hours, 51 minutes, 2 seconds
Orbits completed3,284
Spacecraft properties
Spacecraft typeSoyuz-TM
ManufacturerRKK Energia
Launch mass7,150 kilograms (15,760 lb)
Crew size3
MembersTalgat Musabayev
Nikolai Budarin
LaunchingLéopold Eyharts
LandingYuri Baturin
CallsignКриста́лл (Kristall)
Start of mission
Launch dateJanuary 29, 1998, 16:33:42 (1998-01-29UTC16:33:42Z) UTC
End of mission
Landing dateAugust 25, 1998, 05:24:44 (1998-08-25UTC05:24:45Z) UTC
Landing site47°58′10″N 69°37′50″E / 47.96944°N 69.63056°E / 47.96944; 69.63056
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude382 kilometres (237 mi)
Apogee altitude390 kilometres (240 mi)
Inclination51.6 degrees
Docking with Mir
Soyuz programme
(Manned missions)

TM-27 docked with Mir. The crew repaired the Spektr solar panel and installed a new VDU station orientation system.



Position Launching crew Landing crew
Commander   Talgat Musabayev
Second spaceflight
Flight Engineer   Nikolai Budarin
Second spaceflight
Research Cosmonaut   Léopold Eyharts
First spaceflight
  Yuri Baturin
First spaceflight

Mission accomplishmentsEdit

  • Docked with Mir
  • Exchange part of crew
  • Carried out French mission PEGASE
  • Conducted routine science experiments

EVA scheduleEdit

  • 03.03.1998 aborted due to faulty hatch
  • 01.04.1998 (6h 40m)
  • 06.04.1998 (4h 23m)
  • 11.04.1998 (6h 25m)
  • 17.04.1998 (6h 32m)
  • 22.04.1998 (6h 21m)
  • Over the course of these 5 walks, the cosmonauts repaired the Spektr solar panel and installed a new VDU station orientation system.

Mission notesEdit

Both cosmonauts and astronaut Andy Thomas (arrived on STS-89) became the 25th resident crew. Eyharts landed on 19.02.1998 with Soyuz TM-26-spacecraft. Included astronaut from France.

Coordinates: 47°57′07″N 69°37′50″E / 47.95194°N 69.63056°E / 47.95194; 69.63056