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Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan

Soyuz T-4

Launched

March 12, 1981 · 19:00 UTC

Launch Successful

Summary

Soyuz T-4 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on March 12, 1981 at 19:00 UTC. It was Soviet Space Program's 1,471st launch, 20th this year and humanity's 2,415th orbital launch attempt. It was the 231st Soyuz U flight and the 8th this year. The payload was bound for low Earth orbit (LEO). Soyuz T-4, one of 5 catalogued objects, reached a 192 × 230 km orbit inclined 51.6°. 2 crew members flew: Vladimir Kovalyonok and Viktor Savinykh. The spacecraft was Soyuz T-4 (Soyuz T 11F732 #10). 5 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Soyuz U · Soviet Space ProgramSalyut, Soyuz
Booster
No booster details on record.
Mission
Human Exploration · Low Earth Orbit (LEO)
Milestone
231st Soyuz U flight · 8th this yearSoviet Space Program's 1,471st launch20th this yearhumanity's 2,415th orbital launch attempt24th orbital launch attempt this year

Crew

2 people

Spacecraft

Soyuz T-4 (Soyuz T 11F732 #10)

Soyuz T-4 was a Soyuz spacecraft which launched on 12 March 1981 19:00 UTC. It transported two cosmonauts of EO-6 to Salyut 6. The crew was Vladimir Kovalyonok and Viktor Savinykh.

  • Destination: Salyut 6
  • Mission length: 74 days
  • Docked March 13, 1981 at Salyut-6 forward

The Soyuz spacecraft safely landed in Kazakhstan.

Flight preview

Orbit: as tracked

51.6°Inclination
192 × 230 kmPerigee × apogeefrom mean elements
88.6 minPeriodfrom mean elements
103.9°Ascending node
16653 d agoElement epoch1981-03-13 00:43 UTC · stale

Soyuz T-4 · NORAD 12334 · 1981-023 · Space-Track · tracking 1 of 5 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
1981-023A
Epoch
1981-03-13 00:43:10 UTC
Mean motion
16.25895927 rev/day
Eccentricity
0.0028573
Inclination
51.6117°
Ascending node
103.9341°
Arg. of perigee
127.1978°
Mean anomaly
233.1658°
Element set
999
Rev at epoch
4
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

5 catalogued: 1 payload, 1 rocket stage, 3 components

  • Soyuz T-4 · NORAD 12334 · docked March 13, 1981

Soyuz-U No. 266 Blok-I · re-entered March 14, 1981

Data from J. McDowell, planet4589.org

About this launch

Soyuz T-4 was the 14th mission to visit the Salyut 6 space station and carried the EO-6 expedition, which was the final long-duration crew for the station. The mission began on March 12, 1981, 19:00:11 UTC, launching Commander Vladimir Kovalyonok and Flight Engineer Viktor Savinykh into orbit. They docked with the station the next day. During their 74-day stay on the station, EO-6 crew conducted various experiments, and were visited by Soyuz 39 and Soyuz 40 crews. The mission concluded with a safe landing back on Earth on May 26, 1981, 12:37:34 UTC.

Pad

Map of 1/5

1/5, Baikonur Cosmodrome, Republic of Kazakhstan

184th launch from 1/5, 2nd this year · 584th from Baikonur Cosmodrome, Republic of Kazakhstan

Local pad time at liftoff: Mar 13, 12:00 AM GMT+5, at night

487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan

47 days after the previous launch from this pad

All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps

Questions

When did Soyuz T-4 launch?

Soyuz T-4 launched on March 12, 1981 at 19:00 UTC.

Where can I watch Soyuz T-4?

No webcast is on record for this launch.

What rocket launched Soyuz T-4?

Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet

Where did Soyuz T-4 launch from?

1/5, Baikonur Cosmodrome, Republic of Kazakhstan. Liftoff was Mar 13, 12:00 AM GMT+5 local time at the pad.

What orbit did Soyuz T-4 reach?

Soyuz T-4, one of 5 catalogued objects, reached a 192 × 230 km orbit inclined 51.6°.

Which program is Soyuz T-4 part of?

Salyut and Soyuz. About Salyut