| .jpg.webp) Soyuz MS-04 prior to launch | |
| Mission type | ISS crew transport | 
|---|---|
| Operator | Roskosmos | 
| COSPAR ID | 2017-020A | 
| SATCAT no. | 42682 | 
| Mission duration | 136 days | 
| Distance travelled | 92.5 million kilometres | 
| Orbits completed | 2176 | 
| Spacecraft properties | |
| Spacecraft | Soyuz MS | 
| Spacecraft type | Soyuz MS 11F732A48 | 
| Manufacturer | RKK Energia | 
| Launch mass | 7080 kg | 
| Crew | |
| 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, Site 1 | 
| Contractor | Progress Rocket Space Centre | 
| End of mission | |
| Landing date | 3 September 2017, 01:22 UTC | 
| Landing site | Steppes of the Kazakhstan | 
| Orbital parameters | |
| Reference system | Geocentric orbit | 
| Regime | Low Earth orbit | 
| Inclination | 51.66° | 
| Docking with ISS | |
| Docking port | Poisk zenith | 
| Docking date | 20 April 2017, 13:18 UTC | 
| Undocking date | 2 September 2017, 21:58 UTC | 
| Time docked | 135 days | 
|  Yurchikhin and Fischer in front of their spacecraft Soyuz programme (Crewed missions) | |
Soyuz MS-04 was 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. Soyuz MS-04 was the 133rd flight of a Soyuz spacecraft. The crew consisted of a Russian commander and an American flight engineer. It was 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.
Crew
| Position[2] | Launching Crew Member | Landing Crew Member | 
|---|---|---|
| Commander |  Fyodor Yurchikhin, Roscosmos Expedition 51 Fifth and last spaceflight | |
| Flight Engineer 1 |  Jack D. Fischer, NASA Expedition 51 Only spaceflight | |
| Flight Engineer 2 | N/A |  Peggy Whitson, NASA[3] Expedition 52 Third (last NASA) [4] spaceflight | 
Backup crew
| Position[2] | Crew Member | |
|---|---|---|
| Commander |  Sergey Ryazansky, Roscosmos | |
| Flight Engineer 1 |  Randolph Bresnik, NASA | |
Due to a decision to cut down the number of participating Russian astronauts in 2017, only two astronauts were launched on Soyuz MS-04.[5] Originally set to include 3 people, the crew assignments were changed in November 2016 by NASA and Roscosmos.
Original crew
| Position | Crew member | |
|---|---|---|
| Commander |  Alexander Misurkin, Roscosmos Expedition 51 Second spaceflight | |
| Flight Engineer 1 |  Nikolai Tikhonov, Roscosmos Expedition 51 First spaceflight | |
| Flight Engineer 2 |  Mark T. Vande Hei, NASA Expedition 51 First spaceflight | |
Alexander Misurkin and Mark T. Vande Hei were reassigned to Soyuz MS-06 and served as part of Expedition 53/54,[6] Nikolai Tikhonov was reassigned to Soyuz MS-10 to serve as part of Expedition 57/58 although was also pulled of that mission due to the same budget cuts.[7]
References
- ↑ Pietrobon, Steven (5 February 2017). "Russian Launch Manifest". Retrieved 12 February 2017.
- 1 2 "Manned Spaceflight Launch and Landing Schedule". spacefacts. Retrieved 22 November 2016.
- ↑ Harwood, William. "Whitson's station expedition extended three months". Spaceflight Now. Retrieved 5 April 2017.
- ↑  Potter, Sean (15 June 2018). "Record-Setting NASA Astronaut Peggy Whitson Retires". NASA. Retrieved 24 June 2018.  This article incorporates text from this source, which is in the public domain. This article incorporates text from this source, which is in the public domain.
- ↑ Irene Klotz (16 November 2016). "NASA, Russia Set Flights for Trimmed-Down Space Station Crew". space.com. Retrieved 21 November 2016.
- ↑ "Soyuz MS-06 arrives at ISS".
- ↑ "No U.S. Crew Will Command the International Space Station in 2019". 30 May 2018.
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