Space-borne telescopes in orbit
List of current and planned telescope orbiting in space. See also 2025-2030 Space Launches.
LEO = Low earth orbit
HHEO = Highly-eccentric earth orbit
L1/L2 = Lagrange point
| TELESCOPE | ORBIT |
| Advanced Composition Explorer (ACE) | L1 point |
| ARIEL (2029) | |
| ATHENA (2030s) | L2 point |
| Chandra X-ray Observatory | HEEO |
| CHEOPS | heliosynchronous |
| Euclid Telescope | L2 point |
| Fermi Gamma-ray Space Telescope | LEO |
| Hinode | sun-synchronous |
| Hubble Space Telescope | LEO |
| HXMT Telescope | LEO |
| ILO-1 (2024-2026) | lunar S pole |
| INTEGRAL | HEEO |
| IXPE | LEO |
| James Webb Telescope | L2 point |
| LISA (2034) | heliocentric |
| LUVOIR (2039) | L2 |
| Nancy Roman Space Telescope (2027) | L2 point |
| Neil Gehrels Swift | LEO |
| NuSTAR | geocentric |
| PLATO (2026) | L2 |
| SOFIA Telescope | airborne |
| Solar Heliospheric Observatory (SOHO) | L1 point |
| Spektr-RG | L2 point |
| SPHEREx (2024) | |
| Transiting Exoplanet Survey Satellite (TESS) | HEEO |
| XMM-Newton | HEEO |
| XPoSat |