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ROSCOSMOS Soyuz TM-23 Soyuz-U

Launch Status
Success

Meet the Astronaut Crew

ROSCOSMOS Astronaut Yury Onufriyenko, Soyuz TM-23 Commander

Yury Onufriyenko

Astronaut details for Yury Onufriyenko
Birthday02/06/1961
RoleCommander
NationalityRussia
First Flight02/21/1996
Last Flight12/05/2001

Col. Yuri Ivanovich Onufriyenko (Russian: Юрий Иванович Онуфриенко, Ukrainian: Юрій Іванович Онуфрієнко) (born 6 February 1961) is a retired Russian cosmonaut. He is a veteran...

ROSCOSMOS Astronaut Yury Usachov, Soyuz TM-23 Flight Engineer

Yury Usachov

Astronaut details for Yury Usachov
Birthday10/09/1957
RoleFlight Engineer
NationalityRussia
First Flight01/08/1994
Last Flight03/08/2001

Yury Vladimirovich Usachov (Russian: Юрий Владимирович Усачёв; born October 9, 1957 in Donetsk, Rostov Oblast, Russia) is a former cosmonaut who resides in Star City,...

About the Soyuz TM-23 Mission

Mission details for Soyuz TM-23
TypeHuman Exploration
OrbitLow Earth Orbit

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.

Launch Pad & Location

1/5

Baikonur Cosmodrome, Republic of Kazakhstan

Launch statistics for 1/5 at Baikonur Cosmodrome, Republic of Kazakhstan
Launches487
Orbital Launch Attempts487
Total Launches1565

The Baikonur Cosmodrome is a spaceport operated by Russia within Kazakhstan. Located in the Kazakh city of Baikonur, it is the largest operational space launch facility in terms of area. All Russian crewed spaceflights are launched from Baikonur.

ROSCOSMOS Soyuz U Rocket

Rocket specifications for ROSCOSMOS Soyuz U
Length51.1 m
Diameter3.0 m
Stages2-3
Launch Mass313.0 T
LEO Capacity6,900 kg
Maiden Flight5/18/1973

Learn more about the ROSCOSMOS Soyuz U Rocket

Mission Spacecraft

Soyuz TM-23

Soyuz TM-23 (Soyuz TM 11F732A51 #72) was the spacecraft used for this mission. It is a ROSCOSMOS Capsule designed for Manned and Cargo ISS & Mir Logistics, Lifeboat and traveled to Mir.

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 Onufrienko and Yury Usachov. Soyuz is a series of spacecraft designed for the Soviet space programme by the Korolyov Design Bureau (now RKK Energia) in the 1960s that remains in service today. The Soyuz succeeded the Voskhod spacecraft and was originally built as part of the Soviet Manned Lunar programme. The Soyuz spacecraft is launched on a Soyuz rocket, the most frequently used and most reliable launch vehicle in the world to date. The Soyuz rocket design is based on the Vostok launcher, which in turn was based on the 8K74 or R-7A Semyorka, a Soviet intercontinental ballistic missile. All Soyuz spacecraft are launched from the Baikonur Cosmodrome in Kazakhstan. 180 days while docked

Spacecraft details for Soyuz TM-23
TypeCapsule
AgencyROSCOSMOS
Serial NumberSoyuz TM 11F732A51 #72
StatusSingle Use
DestinationMir
Maiden Flight5/21/1986
Mission End9/2/1996
Flights1
Crew Capacity3
Human RatedYes
Height7.5 m
Diameter2.7 m

About ROSCOSMOS

The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.

Launch statistics for ROSCOSMOS
Total Launches344
Successful333
Failed11
Pending4
Consecutive Success68

Learn more about ROSCOSMOS

Frequently Asked Questions

When was the ROSCOSMOS Soyuz U Soyuz TM-23 launch scheduled?

The ROSCOSMOS Soyuz U Soyuz TM-23 launch was scheduled for:
.

Where did the ROSCOSMOS Soyuz U Soyuz TM-23 mission launch from?

The ROSCOSMOS Soyuz U rocket launched from 1/5 at Baikonur Cosmodrome, Republic of Kazakhstan. The Baikonur Cosmodrome is a spaceport operated by Russia within Kazakhstan. Located in the Kazakh city of Baikonur, it is the largest operational space launch facility in terms of area. All Russian crewed spaceflights are launched from Baikonur.

What rocket was used for the Soyuz TM-23 mission?

The Soyuz TM-23 mission launched aboard a ROSCOSMOS Soyuz U rocket. Detailed rocket specifications and performance data are available in the rocket details above.

What weather conditions could have delayed the ROSCOSMOS Soyuz U Soyuz TM-23 launch?

The ROSCOSMOS Soyuz U Soyuz TM-23 launch could have been delayed by various weather conditions including lightning within 10 nautical miles, high winds (especially upper-level winds), thick cloud layers, precipitation, and poor visibility. Weather must be favorable at the launch site, downrange landing zones, and abort landing sites.

How can I get updates if the ROSCOSMOS Soyuz U Soyuz TM-23 launch was delayed?

This page was updated in real-time with the latest ROSCOSMOS Soyuz U launch status, including any delays or scrubs for the Soyuz TM-23 mission. You can also check our space launch schedule for historical launch information. Our mobile app provides push notifications for instant alerts about launch status changes. Official ROSCOSMOS live streams provided the most immediate range updates during the launch window.

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