Soyuz MS-31
Planned 2027 Russian crewed spaceflight to the ISS
From Wikipedia, the free encyclopedia
Soyuz MS-31 is a planned Russian crewed Soyuz spaceflight to launch from Baikonur in November 2027 to the International Space Station.
| Names | ISS 77S |
|---|---|
| Mission type | Crewed mission to ISS |
| Operator | Roscosmos |
| Website | en |
| Mission duration | 240 days (planned) |
| Spacecraft properties | |
| Spacecraft type | Soyuz MS |
| Manufacturer | Energia |
| Crew | |
| Crew size | 3 |
| Members | |
| Callsign | Antares |
| Start of mission | |
| Launch date | November 2027 (planned) |
| Rocket | Soyuz-2.1a |
| Launch site | Baikonur Cosmodrome, Site 31 |
| Contractor | RKTs Progress |
| End of mission | |
| Landing date | July 2028 (planned) |
| Landing site | Kazakh Steppe, Kazakhstan |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Inclination | 51.66° |
| Docking with ISS | |
| Docking port | Prichal nadir |
| Docking date | November 2027 (planned) |
| Undocking date | July 2028 (planned) |
Crew
| Position[1] | Crew | |
|---|---|---|
| Commander | Oleg Kononenko, Roscosmos Expedition 76/77 Sixth spaceflight | |
| Flight engineer | Alexander Grebenkin, Roscosmos Expedition 76/77 Second spaceflight | |
| Flight engineer | TBA | |
| Position[1] | Crew | |
|---|---|---|
| Commander | Nikolai Chub, Roscosmos | |
| Flight engineer | Aleksandr Gorbunov, Roscosmos | |
| Flight engineer | TBA | |
