Here, a list of past and present X-ray Missions is given:
| ASCA |
ASCA satellite pages at the Astrophysics website ISAS, Japan |
| BeppoSAX |
BeppoSAX satellite website at the Italian Space Agency (ASI) |
| Chandra |
Chandra satellite website at Harvard |
| EXOSAT |
EXOSAT satellite web pages at ESA |
| Integral |
Integral satellite web pages at ESA |
| ROSAT |
ROSAT satellite website of the Max Planck Society |
| RXTE |
RXTE satellite guest observer facility at NASA/Goddard Space Flight Center |
| Suzaku |
Suzaku satellite pages at the Astrophysics website ISAS, Japan |
| Swift |
Swift satellite pages at NASA/Goddard Space Flight Center |
| NuSTAR |
NuSTAR satellite pages at NASA/Goddard Space Flight Center |
| MAXI |
MAXI satellite website of Riken/JAXA/MAXI |