Russian Federal Space Agency (ROSCOSMOS)Soyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Soyuz TM-27
Launched
January 29, 1998

Summary
Soyuz TM-27 launched on a Russian Federal Space Agency (ROSCOSMOS) Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on January 29, 1998. It was Russian Federal Space Agency (ROSCOSMOS)'s 75th launch, 1st this year and humanity's 4,212th orbital launch attempt. It was the 633rd Soyuz U flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Soyuz TM-27, one of 2 catalogued objects, reached a 210 × 215 km orbit inclined 51.5°. 3 crew members flew: Nikolai Budarin, Léopold Eyharts and Talgat Musabayev. The spacecraft was Soyuz TM-27 (Soyuz TM 11F732A51 #76). 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Human Exploration · Low Earth Orbit (LEO)
- Milestone
- 633rd Soyuz U flight · 1st this yearRussian Federal Space Agency (ROSCOSMOS)'s 75th launch1st this yearhumanity's 4,212th orbital launch attempt5th orbital launch attempt this year
Launch crew
Nikolai BudarinFlight Engineer · RFSA · age 34 · 2nd flight
Léopold EyhartsResearch Cosmonaut · ESA · age 40 · first flight
Talgat MusabayevCommander · RFSA · age 47 · 2nd flight
Landing crew
Yuri BaturinResearch Cosmonaut · RFSA
Nikolai BudarinFlight Engineer · RFSA
Talgat MusabayevCommander · RFSA
Spacecraft
Soyuz TM-27 (Soyuz TM 11F732A51 #76)
Soyuz TM-27 was a Soyuz spacecraft which launched on 29 January 1998 16:33 UTC. It transported two members of the Expedition 25 and one astronaut to Mir. The Expedition 25 crew consisted of Talgat Musabayev and Nikolai Budarin. The astronaut was Léopold Eyharts from the European Space Agency.
- Destination: Mir
- Mission length: 207 days
- Docked January 31, 1998 at Kvant-1 aft
The Soyuz spacecraft safely landed in Kazakhstan.
Flight preview
Orbit: as tracked
Soyuz TM-27 · NORAD 25146 · 1998-004 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1998-004A
- Epoch
- 1998-01-29 17:50:54 UTC
- Mean motion
- 16.25282864 rev/day
- Eccentricity
- 0.0003404
- Inclination
- 51.5219°
- Ascending node
- 26.6481°
- Arg. of perigee
- 91.4689°
- Mean anomaly
- 268.7403°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage
- Soyuz TM-27 · NORAD 25146 · docked January 31, 1998
Soyuz-U-PVB No. 657 · re-entered January 31, 1998
Data from J. McDowell, planet4589.org
About this launch
Soyuz TM-27 was the 35th mission and the 25th long-duration expedition to Mir space station. It was also a part of the US/Russian Shuttle-Mir Program. The mission began on January 29, 1998, 16:33:42 UTC, launching Commander Talgat Musabayev, Flight Engineer Nikolai Budarin and Research Cosmonaut Léopold Eyharts into orbit. They docked with Mir two days later. During their stay there, cosmonauts performed several EVAs and various scientific experiments in medicine, biotechnology, Earth sciences etc. Station crew was visited by several Progress resupply spacecrafts, STS-91, and welcomed aboard Soyuz TM-28 with the next expedition crew. The mission concluded with a safe landing back on Earth on August 25, 1998, 05:24:44 UTC.
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
347th launch from 1/5, 1st this year · 1,103rd from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
40 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Soyuz TM-27 launch?
Soyuz TM-27 launched on January 29, 1998. The time is known to the hour, not the minute.
Where can I watch Soyuz TM-27?
No webcast is on record for this launch.
What rocket launched Soyuz TM-27?
Soyuz U, flown by Russian Federal Space Agency (ROSCOSMOS). Soyuz U spec sheet
Where did Soyuz TM-27 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Soyuz TM-27 reach?
Soyuz TM-27, one of 2 catalogued objects, reached a 210 × 215 km orbit inclined 51.5°.
Which program is Soyuz TM-27 part of?
Mir and Soyuz. About Mir
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)