RUSSIAN FEDERAL SPACE AGENCY (ROSCOSMOS)

Soyuz-U | Soyuz TM-23

SUCCESSFeb 21, 1996 at 12:34 UTCSoyuz U →
PAD1/5
SITEBaikonur Cosmodrome, Republic of Kazakhstan →
ORBITLow Earth Orbit
TYPEHuman Exploration
PROGRAMSoyuz

Soyuz TM-23 was the 25th mission and the 21st long-duration expedition to Mir space station. It was also a part of the US/Russian Shuttle-Mir Program.
The mission began on February 21, 1996, 12:34:05 UTC, launching Commander Yuri Onufrienko and Flight Engineer Yury Usachov into orbit. They docked with Mir two days later. During their stay there, cosmonauts performed several EVAs and various scientific experiments. Station crew was visited by several Progress resupply spacecrafts, STS-76, and welcomed aboard Soyuz TM-24 with the next expedition crew.
The mission concluded with a safe landing back on Earth on September 2, 1996, 07:41:40 UTC.

VEHICLE
Soyuz U
MISSION
Soyuz TM-23
MISSION TYPE
Human Exploration
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
1/5
PROGRAM
Soyuz
COUNTRY
RUS
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 2bd21ce8-cc49-4c1f-b49c-8ccf22b9b813
Reported date: Feb 21, 1996 at 12:34 UTC
Last synced: 6 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
Loading weather…
Select a location to check if this launch is visible from where you are
Soyuz TM 11F732A51 #72SERIAL
1FLIGHTS
MirDESTINATION
Single UseSTATUS

Soyuz TM-23 was a Soyuz spacecraft which launched on 21 February 1996 12:34 UTC. It transported two members of the Expedition 21 crew to Mir. The crew consisted of Yuri…

CREW MANIFEST
Yury OnufriyenkoCommander
Yury UsachovFlight Engineer
MANUFACTURER
Russian Federal Space Agency (ROSCOSMOS)
FLIGHTS
714
SUCCESSES
694
SUCCESS RATE
97.2%
When is the Soyuz-U | Soyuz TM-23 launch?
The Soyuz-U | Soyuz TM-23 is scheduled for Wednesday, February 21, 1996 at 12:34 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Soyuz TM-23?
The Soyuz-U | Soyuz TM-23 mission uses the Soyuz U rocket, manufactured by Russian Federal Space Agency (ROSCOSMOS). The Soyuz U has flown 714 times with a 97.2% success rate.
Where is the Soyuz-U | Soyuz TM-23 launching from?
The launch takes place from 1/5 at Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit is Soyuz TM-23 going to?
The Soyuz TM-23 mission is targeting Low Earth Orbit.
Who is launching Soyuz TM-23?
The Soyuz-U | Soyuz TM-23 is operated by Russian Federal Space Agency (ROSCOSMOS). It is part of the Soyuz program.
Can I watch the Soyuz-U | Soyuz TM-23 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
Mar 29, 2026 01:15 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 01:15 UTC
Launch date set: Feb 21, 1996 at 12:34 UTC
NET (No Earlier Than) confirmed by Russian Federal Space Agency (ROSCOSMOS)
Mar 29, 2026 01:15 UTC
Launch completed successfully
Updated via Launch Library 2
Last data sync: 6 hours ago
Launch Library 26 hours ago
Launch ID: 2bd21ce8-cc49-4c1f-b49c-8ccf22b9b813
Open-Meteo Weather6 hours ago
Pad weather at 45.92, 63.34

Mission Profile

Soyuz TM-23 was a Soyuz U mission operated by Russian Federal Space Agency (ROSCOSMOS) that lifted off from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on February 21, 1996. The flight carried its payload on a human exploration mission to Low Earth Orbit. It was flown as part of the Soyuz program. The launch was a success.