Engineering:List of space stations

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An image of the International Space Station. The silver-colored center module is dark blue, surrounded by four golden solar arrays on each side. The sun is reflecting off of the set to the left. In the background is the outline of the Earth.
The International Space Station in front of the Earth. This image was taken by Space Shuttle Discovery while pulling away during STS-119.
An image of Skylab. The left side of the frame is dominated by a communications array, painted white with a cylindrical satellite dish on top. On they right is a brown-grey cylinder, which is the main station. No solar arrays are visible.
Skylab viewed from the command module of Skylab 2

Past stations

These stations have re-entered the atmosphere and disintegrated.

The Soviet Union ran two programs simultaneously in the 1970s, both of which were called Salyut publicly. The Long Duration Orbital Station (DOS) program was intended for scientific research into spaceflight. The Almaz program was a secret military program that tested space reconnaissance.[1]

  double-dagger     = Never crewed

Name Program
Entity
Crew
size
Launched Reentered Days
in orbit
Days
occu-
pied
Total crew
and visitors
Number of
crewed visits
Number of
robotic visits
Mass
(* = at launch)
Pressurized
volume
Salyut 1 DOS[2] 0003 3[3]


0710419 19 April 1971[4]


0711011 11 October 1971[5]


0175 175


0024 24[6]


0006 6[7]


0002 2[7]


0000 0[7]


018425 18,425 kg (40,620 lb)[4]


100 100 m3 (3,500 cu ft)[8]


Soviet Union MOM[9]
DOS-2double-dagger DOS[10] [lower-alpha 1] 0720729 29 July 1972[4][11]


0720729 29 July 1972


000 failed to reach orbit


000 —


000 —


000 —


000 —


018000 18,000 kg (40,000 lb)[12]


000 —


Soviet Union RVSN[13]
Salyut 2double-dagger Almaz[11] [lower-alpha 1] 0730403 3 April 1973[11]


0730416 16 April 1973[11]


0013 13[11]


000 —


000 —


000 —


000 —


018500 18,500 kg (40,800 lb)[14]


000 —


Soviet Union MOM[15]
Kosmos 557double-dagger DOS[16] [lower-alpha 1] 0730511 11 May 1973[17]


0730522 22 May 1973[18]


0011 11


000 —


000 —


000 —


000 —


019400 19,400 kg (42,800 lb)[12]


000 —


Soviet Union USSR
Skylab Skylab[19] 0003 3[20]


0730514 14 May 1973[21]


0790711 11 July 1979[22]


2249 2249


0171 171[23]


0009 9[24]


0003 3[25]


0000 0[26]


077088 77,088 kg (169,950 lb)[27]


360 360 m3 (12,700 cu ft)[28]


United States NASA
Salyut 3 Almaz[2] 0002 2[29]


0740625 25 June 1974[30]


0750124 24 January 1975[31]


0213 213


0015 15[32]


0002 2[32]


0001 1[32]


0000 0


018900 18,900 kg (41,700 lb)*[33]


090 90 m3 (3,200 cu ft)[16]


Soviet Union MOM[15]
Salyut 4 DOS[34] 0002 2[35]


0741226 26 December 1974[36]


0770203 3 February 1977[36]


0770 770[36]


0092 92[37]


0004 4[37]


0002 2[37][38]


0001 1[37]


018900 18,900 kg (41,700 lb)[16]*


090 90 m3 (3,200 cu ft)[16]


Soviet Union MOM[13]
Salyut 5 Almaz[34] 0002 2[39]


0760622 22 June 1976[40]


0770808 8 August 1977[41]


0412 412


0067 67[42]


0004 4[42]


0003 3[42]


0000 0[42]


019000 19,000 kg (42,000 lb)[16]*


100 100 m3 (3,500 cu ft)[16]


Soviet Union MOM[15]
Salyut 6 DOS[34][43] 0002 2[44]


0770929 29 September 1977[44]


0820729 29 July 1982[45]


1764 1764


0683 683[46]


0033 33[46]


0016 16[46]


0014 14[46]


009000 19,000 kg (42,000 lb)[47]


090 90 m3 (3,200 cu ft)[48]


Soviet Union MOM[15]
Salyut 7 DOS[34][43] 0003 3[49]


0820419 19 April 1982[50]


0910207 7 February 1991[50]


3216 3216[50]


0861 861[49]


0022 22[49]


0010 10[49]


0015 15[49]


019000 19,000 kg (42,000 lb)[51]


090 90 m3 (3,200 cu ft)[16]


Soviet Union MOM[15]
Mir DOS[34][43] 0003 3[52]


0860219 19 February 1986[53][lower-alpha 2]


1010323 23 March 2001[22][53]


5511 5511[53]


4594 4594[54]


0125 125[54]


0031 39[55]


0068 68[54]


129700 129,700 kg (285,900 lb)[56]


350 350 m3 (12,400 cu ft)[57]


Tiangong-1 Tiangong 3[58] 29 September 2011[59][60] 2 April 2018[61] 2377 22 6[62][63] 2[62] 1[64] 8,506 kg (18,753 lb)[65] 15 m3 (530 cu ft)[66]
China CMSA
Tiangong-2 Tiangong 2 15 September 2016 19 July 2019 1037 29 2 1 1 8,506 kg (18,753 lb)[65] 15 m3 (530 cu ft)[66]
China CMSA

Prototypes

These stations are prototypes; they only exist as testing platforms and were never intended to be crewed. OPS 0855 was part of a cancelled Manned Orbiting Laboratory project by the United States, while the Genesis stations were launched privately. The Genesis stations were "retired" when their avionics systems stopped working after two and a half years, yet they still remain in orbit as derelict spacecraft.

Name Entity Program Launched Reentered Days in orbit Mass Pressurized volume
OPS 0855 United States USAF MOL 3 November 1966[67] 9 January 1967[67] 67 9,680 kg (21,340 lb) 11.3 m3 (400 cu ft)
Genesis I United States Bigelow Aerospace 12 July 2006[68] (In Orbit) 6578 1,360 kg (3,000 lb)[69] 11.5 m3 (410 cu ft)[70]
Genesis II 28 June 2007[68] 6227 11.5 m3 (406 cu ft)[70]

Operational stations

As of 2024, two stations are orbiting Earth with life support system in place and fully operational.

Name Entity Crew size Launched Days in orbit[lower-alpha 3] Days
occupied
Total crew
and visitors
Crewed
visits
Robotic
visits
Mass Pressurized
volume
Habitable
volume
International Space Station 7[71] 20 November 1998[71][lower-alpha 2] 9369 8658[72] 230[73] 88 [74] 94 [74] 450,000 kg (990,000 lb)[75] 1,005 m3 (35,500 cu ft)[76] 388 m3 (13,700 cu ft)
Tiangong space station
  • China CMSA
3–6[77] 29 April 2021 1173 1043 17 6 8 100,000 kg (220,000 lb) 340 m3 (12,000 cu ft) 122 m3 (4,310 cu ft)

Planned and proposed

These space stations have been announced by their host entity and are currently in planning, development or production. The launch date listed here may change as more information becomes available.

Name Entity Program Crew size Launch date Remarks
Lunar Gateway United States NASA
ESA logo simple.svg ESA
Canada CSA
Japan JAXA
Artemis
4
2025[78] Intended to serve as a science platform and as a staging area for the lunar landings of NASA's Artemis program and follow-on human mission to Mars.
Axiom Station United States Axiom Space
International Space Station programme
TBD
Late 2026[79] Eventually will detach from the ISS in the early 2030s and form a private, free flying space station for commercial tourism and science activities.
Russian Orbital Service Station
Russia Roscosmos Russia's next generation space station.
TBD
2027[80] With Russia leaving the ISS programme in 2024, Roscosmos announced this new space station in April 2021 as the replacement for that program.
Starlab United States NanoRacks
United States Voyager Space
United States Lockheed Martin
Netherlands Airbus
Private
4
2028[81] "Commercial platform supporting a business designed to enable science, research, and manufacturing for customers around the world."
Orbital Reef United States Blue Origin
United States Sierra Space
Private
10
second half 2020s[82] "Commercial station in LEO for research, industrial, international, and commercial customers."
Bharatiya Antariksha Station[83] India ISRO Indian Human Spaceflight Programme
3
~2035[84][85][86][87][88] ISRO chairman K. Sivan announced in 2019 that India will not join the International Space Station, but will instead build a 20 ton space station of its own.[89] It is intended to be built 5–7 years after the conclusion of the Gaganyaan program.[90]
Lunar Orbital Station[91]
Russia Roscosmos
TBD
Haven-1 United States Vast Private
4
2025[92] "Scheduled to be the world's first commercial space station, Haven-1 and subsequent human spaceflight missions will accelerate access to space exploration"[93]
LIFE Pathfinder United States Sierra Space Private
TBD
2026 "Before offering LIFE for Orbital Reef, though, the company is proposing to launch a standalone “pathfinder” version of LIFE as soon as the end of 2026".[94]

Cancelled projects

A mockup of the inside of Skylab at the Smithsonian, based on the Skylab B module. In the center, a dummy dressed in a gold jumpsuit sits at a table. Behind him are white cabinets that hold the crews equipment. Off to the right, a porthole shows a view of the Smithsonian.
The interior of Skylab B, on display at the Smithsonian's National Air and Space Museum

Most of these stations were canceled due to financial difficulties, or merged into other projects.

Name Entity Crew Cancellation Remarks
Manned Orbiting Laboratory 1–7 United States United States Air Force 2[95] 1969 Boilerplate mission launched successfully, wider project cancelled due to excessive costs[96]
Skylab B United States NASA 3[97] 1976 Constructed, but launch cancelled due to lack of funding.[98] Now a museum piece.
OPS-4 Soviet Union USSR 3[99] 1979 Constructed, but Almaz program cancelled in favour of uncrewed recon satellites.
Freedom United States NASA 14–16[100] 1993 Merged to form the basis of the International Space Station.
Mir-2 Soviet Union USSR
Russia Roscosmos
2[101]
Columbus MTFF ESA logo simple.svg ESA 3
Galaxy United States Bigelow Aerospace 2007 Canceled due to rising costs and ability to ground test key Galaxy subsystems[102]
Sundancer 3 2011 Was under construction, but cancelled in favour of developing B330.
Almaz commercial United Kingdom Excalibur Almaz 4+ 2016 Soviet hardware was acquired, but never launched due to lack of funds.
Tiangong-3 China CNSA 3 2017 The goals for Tiangong-2 and 3 were merged, and were completed by a single station rather than two separate stations.
OPSEK Russia Roscosmos 2+ 2017 Some modules such as Nauka were launched and attached to the ISS- but proposals to split these off as a separate station were cancelled, and they instead remain part of the ISS.
B330 United States Bigelow Aerospace 3 2020 Test articles were constructed but not flight ready hardware; cancelled due to the COVID-19 pandemic.

Timeline

Size comparison

See also

Notes

  1. 1.0 1.1 1.2 The USSR intended to crew these stations with 2 men, however they re-entered the atmosphere before the cosmonauts were launched.
  2. 2.0 2.1 Launch date of the initial module. Additional modules for this station were launched later.
  3. Correct as of Template:Currentdaymonth 2024

References

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