List of proposed space observatories

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List of proposed space observatories: examples of past and present space observatory plans, concepts, and proposals. For observatories in orbit, List of space telescopes. Unlike that list, this list includes concept and proposals that were not and in all likelihood will not ever be launched as they may have been cancelled or were only ever proposals.

Active in this list means it is still under consideration for development, not that it is in orbit


Legend
  •        Active
  •        Other
  •        Merged, Cancelled, Superseded


Name Agency Planned
Launch Date		 Fate Planned Location Ref(s)
Advanced Technology Large Aperture Space Telescope Space Telescope Science Institute — — Sun-Earth L2 Lagrange point [1]
X-Ray Evolving Universe Spectroscopy Mission (XEUS) ESA Merged into IXO — [2]
Constellation-X NASA Merged into IXO —
International X-ray Observatory NASA & ESA & JAXA No funding 2011 — [3]
SIM Lite Astrometric Observatory NASA 2015 No funding 2010 — [4]
Darwin Mission ESA - - Sun-Earth L2 Lagrange point [5]
Euclid ESA 2019 — Sun-Earth L2 Lagrange point
Terrestrial Planet Finder NASA TBA No funding 2011 — [6]
Dark Universe Observatory NASA Superseded by WFIRST Earth orbit (600 km) [7][8]
Dark Energy Space Telescope NASA & DOE Superseded by WFIRST — [9]
Wide Field Infrared Survey Telescope (WFIRST) (IR) NASA & DOE 2020 — Sun-Earth L2 Lagrange point [10][11]
Astromag Free-Flyer (Particles) NASA 1 January 2005 — Earth orbit (500 km) [12][13]
VSOP-2 (Astro-G) (Radio) JAXA 2012 Cancelled 2011 - [14]
Exoplanetary Circumstellar Environments and Disk Explorer (EXCEDE) NASA 2016 — Sun-synchronous Earth orbit, 2000 km [15][16]
Laser Interferometer Space Antenna (LISA) NASA 2018 No funding 2011 Solar orbit (approx. 1 AU; trailing Earth) [17]
World Space Observatory (WSO-UV) RSA - — [18]

Additional examples

Calisto architecture for SAFIR.[19]

.

Design studies

Various proposals or concepts for high-energy light observatories:[24]

  • AdEPT: Advanced Energetic Pair Telescope: pair production telescope concept for gamma-ray polarimetry
  • APT: Advanced Pair Telescope
  • AEGIS: Astrophysics Experiment for Grating and Imaging Spectroscopy, soft X-ray spectrometer.
  • Arcus, X-ray spectrometer concept for International Space Station
  • ASCOT: Advanced Scintillator Compton Telescope
  • AXSIO: Advanced X-ray Spectroscopic Imaging Observatory
  • AXTAR: Advanced X-Ray Timing Array, X-ray timing mission
  • BEST: Black Hole Evolution an Space-Time Observatory (include deep hard X-ray imaging (5 - 70 keV))
  • Black Hole Finder
  • CASTER: Coded Aperture Survey Telescope for Energetic Radiation
  • EXIST: Energetic X-Ray Imaging Survey Telescope
  • BHI: Black Hole Imager
  • EPE: Extreme Physics Explorer
  • EREXS: Epoch of Reionization Energetic X-ray Survey
  • EXIST: Energetic X-ray Imaging Survey Telescope
  • Gen-X: The Generation X-Ray Mission
  • HEX-P: High-Energy X-ray Probe
  • IXPE: Imaging X-ray Polarimetry Explorer
  • ISS-Lobster
  • Pharos
  • PRAXyS: Polarimetry of Relativistic X-ray Sources
  • SMART-X: Square Meter, Arcsecond Resolution X-ray Telescope
  • SAHARA: Spectral Analysis with High Angular Resolution Astronomy
  • WhimEx: Warm-Hot Inter-Galactic Medium Explorer
  • WFXIS: Wide-Field X-ray Imaging Spectrometer
  • WFXT: Wide-Field X-ray Telescope
  • Xenia: a Probe of Cosmic Chemical Evolution
  • X-Ray Surveyor
  • A-STAR: All-Sky Transient Astrophysics Explorer
  • Athena, an X-ray observatory
  • DAMPE: Dark Matter Particle Explorer
  • EDGE: Explorer of Diffuse emission and Gamma ray burst Explosions
  • GRAVITAS: General Relativistic Astrophysics Via Timing and Spectroscopy
  • LOFT: Large Observatory For X-ray Timing
  • MIRAX: Monitor e Imageador de Raios X
  • NHXM: New Hard X-ray Mission
  • PheniX, focussing X-ray telescope concept
  • Tsubame, micro-satellite for X-ray polarimetry
  • XIPE: the X-ray Imaging Polarimetry Explorer (ESA)

Future

For launch in the 2030s NASA is evaluating four possible designs: the Far-Infrared Surveyor, X-Ray Surveyor, Habitable-Exoplanet Imaging Mission (HabEx), and Large Ultraviolet-Optical-Infrared Surveyor (LUVOIR).[25]

Gallery

References

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External links

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  18. ↑ WSO-UV
  19. ↑ SAFIR
  20. ↑ Gunter's Space Page - ExoplanetSat
  21. ↑ M. Wong , et al. - A Dedicated Space Observatory for Time-domain Solar System Science
  22. ↑ Universe Today - NASA Considers Sending a Telescope to Outer Solar System by Bruce Dorminey on December 19, 2011
  23. ↑ ZEBRA
  24. ↑ [1]
  25. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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