Soyuz MS-04

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Soyuz MS-04
Expedition 51 Rollout (NHQ201704170044).jpg
Soyuz MS-04 prior to launch
Operator Roskosmos
COSPAR ID 2017-020A
SATCAT no. 42682
Distance travelled 92.5 million kilometers
Orbits completed 2176
Spacecraft properties
Spacecraft type Soyuz-MS 11F747
Manufacturer RKK Energia
Crew size 2 launching
3 landing
Members Fyodor Yurchikhin
Jack D. Fischer
Landing Peggy Whitson
Callsign Olimp (Olympus)
Start of mission
Launch date 20 April 2017 07:13:44 UTC
Rocket Soyuz-FG
Launch site Baikonur 1/5
End of mission
Landing date 03 September 2017 01:22 UTC
Landing site Kazakhstan
Orbital parameters
Reference system Geocentric
Regime Low Earth
Inclination 51.6°
Docking with ISS
Docking port Poisk zenith
Docking date 20 April 2017 13:18 UTC
Undocking date 02 September 2017 21:58 UTC


Soyuz MS-04 crew in front of their spacecraft.jpg
Yurchikhin and Fischer in front of their spacecraft
Soyuz programme
(Manned missions)

Soyuz MS-04 is a Soyuz spaceflight that launched on 20 April 2017 to the ISS.[1] It transported two members of the Expedition 52 crew to the International Space Station. MS-04 is the 133rd flight of a Soyuz spacecraft. The crew consists of a Russian commander and an American flight engineer. It is the first of the Soyuz MS series to rendezvous with the Station in approximately 6 hours, instead of the 2 day orbital rendezvous used for the previous launches. It was also the first Soyuz to launch with only 2 crew members since Soyuz TMA-2.


Position[2] Launching Crew Member Landing Crew Member
Commander Russia Fyodor Yurchikhin, RSA
Expedition 51
Fifth spaceflight
Flight Engineer 1 United States Jack D. Fischer, NASA
Expedition 51
Only spaceflight
Flight Engineer 2 N/A United States Peggy A. Whitson, NASA[3]
Expedition 52
Third and last[4] spaceflight

Backup crew[edit]

Position[2] Crew Member
Commander Russia Sergey Ryazansky, RSA
Flight Engineer 1 United States Randolph Bresnik, NASA

Due to a decision to cut down the number of participating Russian astronauts in 2017, only two astronauts have been launched on Soyuz MS-04.[5] Originally set to include 3 people, the crew assignments were changed in November 2016 by NASA and Roscosmos. Of the original crew, Alexander Misurkin and Mark T. Vande Hei have been assigned to Soyuz MS-06 instead.[6]

External links[edit]


  1. ^ Pietrobon, Steven (5 February 2017). "Russian Launch Manifest". Retrieved 12 February 2017. 
  2. ^ a b "Manned Spaceflight Launch and Landing Schedule". spacefacts. Retrieved 22 November 2016. 
  3. ^ Harwood, William. "Whitson's station expedition extended three months". Spaceflight Now. Retrieved 5 April 2017. 
  4. ^ Potter, Sean (15 June 2018). "Record-Setting NASA Astronaut Peggy Whitson Retires". NASA. Retrieved 24 June 2018. 
  5. ^ Irene Klotz (16 November 2016). "NASA, Russia Set Flights for Trimmed-Down Space Station Crew". Retrieved 21 November 2016. 
  6. ^ "NASA Updates 2017 International Space Station Crew Assignments". NASA. 15 November 2016. Retrieved 22 November 2016.