Observatories

Space Telescopes in Orbit

List of current and planned telescope observatories orbiting in space.

LEO = Low earth orbit
HHEO = Highly-eccentric earth orbit
L1/L2 = Lagrange point

Also see the 2021-2029 Space Launches.

1. Name
2. Orbit

1. Advanced Composition Explorer (ACE)
2. L1 point

1. ARIEL (2029)

1. ATHENA (2030s)
2. L2 point

1. Chandra X-ray Observatory
2. HEEO

1. CHEOPS
2. heliosynchronous

1. Euclid Telescope (2022)
2. L2 point

1. Fermi Gamma-ray Space Telescope
2. LEO

1. Hinode
2. sun-synchronous

1. Hubble Space Telescope
2. LEO

1. HXMT Telescope
2. LEO

1. ILO-1 (2022-2023)
2. lunar S pole

1. INTEGRAL
2. HEEO

1. IXPE (2021)
2. LEO

1. James Webb Telescope (2021)
2. L2 point

1. LISA (2034)
2. heliocentric

1. LUVOIR (2039)
2. L2

1. Nancy Roman Space Telescope (2025)
2. L2 point

1. Neil Gehrels Swift
2. LEO

1. NuSTAR
2. geocentric

1. PLATO (2026)
2. L2

1. SOFIA Telescope
2. airborne

1. Solar Heliospheric Observatory (SOHO)
2. L1 point

1. Spektr-RG
2. L2 point

1. SPHEREx (2024)

1. Transiting Exoplanet Survey Satellite (TESS)
2. HEEO

1. XMM-Newton
2. HEEO

1. XPoSat (2021)