Russian Federal Space Agency (ROSCOSMOS)Soyuz FG1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Soyuz TMA-21
Launched
April 4, 2011

Summary
Soyuz TMA-21 launched on a Russian Federal Space Agency (ROSCOSMOS) Soyuz FG from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on April 4, 2011. It was Russian Federal Space Agency (ROSCOSMOS)'s 202nd launch, 3rd this year and humanity's 5,119th orbital launch attempt. It was the 25th Soyuz FG flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Soyuz TMA-21, one of 2 catalogued objects, reached a 202 × 246 km orbit inclined 51.6°. 3 crew members flew: Andrei Borisenko, Aleksandr Samokutyayev and Ronald J. Garan Jr.. The spacecraft was Soyuz TMA-21 (Soyuz TMA 11F732A17 #231). 2 objects from this launch are catalogued, one of them a payload.
- Watch
- Пуск ПКК Союз ТМА-21 - ГагаринРоскосмос ТВ
- Booster
- No booster details on record.
- Mission
- Human Exploration · Low Earth Orbit (LEO)
- Milestone
- 25th Soyuz FG flight · 1st this yearRussian Federal Space Agency (ROSCOSMOS)'s 202nd launch3rd this yearhumanity's 5,119th orbital launch attempt13th orbital launch attempt this year
Crew
Andrei BorisenkoFlight Engineer · RFSA · age 46 · first flight
Aleksandr SamokutyayevCommander · RFSA · age 41 · first flight
Ronald J. Garan Jr.Flight Engineer · NASA · age 49 · 2nd flight
Spacecraft
Soyuz TMA-21 (Soyuz TMA 11F732A17 #231)
Soyuz TMA-21 was a Soyuz spacecraft which launched on 4 April 2011 22:18 UTC. It transported three members of the Expedition 27 crew to the International Space Station. The crew consisted of Aleksandr Samokutyayev, Andrei Borisenko, and Ronald J. Garan.
- Destination: International Space Station
- Mission length: 164 days
- Docked April 6, 2011 at Poisk zenith
The Soyuz spacecraft safely landed in Kazakhstan.
Webcast
Flight preview
Orbit: as tracked
Soyuz TMA-21 · NORAD 37382 · 2011-012 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2011-012A
- Epoch
- 2011-04-04 22:07:02 UTC
- Mean motion
- 16.20992445 rev/day
- Eccentricity
- 0.0032811
- Inclination
- 51.6203°
- Ascending node
- 177.3051°
- Arg. of perigee
- 78.3723°
- Mean anomaly
- 282.3508°
- Element set
- 999
- Rev at epoch
- 0
- 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 TMA-21 · NORAD 37382 · docked April 6, 2011
Soyuz-FG No. 036 Blok-I · re-entered April 7, 2011
Data from J. McDowell, planet4589.org
About this launch
Soyuz TMA-21 begins Expedition 27 by carrying 3 astronauts and cosmonauts to the International Space Station. Russian Commander, cosmonaut Aleksandr Samokutyayev alongside Flight Engineers, Andrei Borisenko (RSA) & Ronald J. Garan (NASA) will launch aboard the Soyuz spacecraft from the Baikonur Cosmodrome in Kazakhstan and then rendezvous with the station. It landed on September 16, 2011, 03:59:39 UTC
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
436th launch from 1/5, 2nd this year · 1,358th from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
66 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Soyuz TMA-21 launch?
Soyuz TMA-21 launched on April 4, 2011. The time is known to the hour, not the minute.
Where can I watch Soyuz TMA-21?
Coverage: Пуск ПКК Союз ТМА-21 - Гагарин. Watch the replay
What rocket launched Soyuz TMA-21?
Soyuz FG, flown by Russian Federal Space Agency (ROSCOSMOS). Soyuz FG spec sheet
Where did Soyuz TMA-21 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Soyuz TMA-21 reach?
Soyuz TMA-21, one of 2 catalogued objects, reached a 202 × 246 km orbit inclined 51.6°.
Which program is Soyuz TMA-21 part of?
International Space Station and Soyuz. About International Space Station
![[AUTO] Soyuz - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz_image_20190717035537.jpg&w=1600)