Soyuz MS-27
Soyuz MS-27 launches to the International Space Station atop a Soyuz-2.1a rocket | |
| Names | ISS 73S |
|---|---|
| Mission type | ISS crew transport |
| Operator | Roscosmos |
| COSPAR ID | 2025-072A |
| SATCAT no. | 63520 |
| Mission duration | 244 days, 23 hours and 16 minutes |
| Distance travelled | 167,000,000 km (104,000,000 mi) |
| Orbits completed | 3,920 |
| Spacecraft properties | |
| Spacecraft | Soyuz MS-27 No. 758 |
| Spacecraft type | Soyuz MS |
| Manufacturer | Energia |
| Launch mass | 7,152 kg (15,767 lb) |
| Crew | |
| Crew size | 3 |
| Members | |
| Callsign | Favor |
| Expedition | Expedition 72/73 |
| Start of mission | |
| Launch date | 8 April 2025, 05:47:15 UTC |
| Rocket | Soyuz-2.1a No. K15000-075 |
| Launch site | Baikonur, Site 31/6 |
| Contractor | RKTs Progress |
| End of mission | |
| Landing date | 9 December 2025, 05:03 UTC |
| Landing site | Kazakh Steppe, Kazakhstan |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Docking with ISS | |
| Docking port | Prichal nadir |
| Docking date | 8 April 2025, 08:57:43 UTC |
| Undocking date | 9 December 2025, 01:41:30 UTC |
| Time docked | 244 days, 16 hours and 44 minutes |
Mission patch From left: Kim, Ryzhikov and Zubritsky | |
Soyuz MS-27, identified by NASA as Soyuz 73S, was a Russian crewed Soyuz spaceflight that launched on 8 April 2025 from Site 31/6 at the Baikonur Cosmodrome, bound for the International Space Station. The spacecraft was launched aboard a Soyuz-2.1a rocket carrying three crew members, Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky, along with NASA astronaut Jonny Kim.