This list of space stations is grouped by countries responsible for their operations. The space stations where multiple countries are responsible for their operations are listed separately. Planned and canceled space stations are excluded from this list. Never crewed, prototype Never crewed, non-prototype

Chinese space stations Name Entity Program Crew size Launch date Reentry date Daysin orbit Daysoccu-pied Total crewand visitors Number ofcrewed visits Number ofrobotic visits Mass (* = at launch) Pressurized volume Tiangong-1 CMSA Tiangong 3 29 September 2011 2 April 2018 2377 25 6Shenzhou 10#Crew 2 1 Tiangong-2 CMSA 2 15 September 2016 19 July 2019 1037 26 2 1 1 Tiangong space station 3 29 April 2021 in orbit 30 10 8 (planned)

Soviet/Russian space stations Name Entity Program Crew size Launch date Reentry date Daysin orbit Daysoccu-pied Total crewand visitors Number ofcrewed visits Number ofrobotic visits Mass (* = at launch) Pressurized volume Salyut 1 USSR DOS DOS-2 USSR DOS — Salyut 2 USSR Almaz — Kosmos 557 USSR DOS (Full text available on Wikisource) — Salyut 3 USSR Almaz Salyut 4 USSR DOS Salyut 5 USSR Almaz Salyut 6 USSRDOS Salyut 7 USSR Mir

United States space stations Name Entity Program Crew size Launch date Reentry date Daysin orbit Daysoccu-pied Total crewand visitors Number ofcrewed visits Number ofrobotic visits Mass (* = at launch) Pressurized volume OPS 0855 USAF MOL 3 November 1966 9 January 1967 Skylab NASA Skylab 171 Genesis I Bigelow Aerospace 12 July 2006 (In Orbit) Genesis II Bigelow Aerospace 28 June 2007 (In Orbit)

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