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EXOSAT European X-ray Observatory Satellite spacecraft

EXOSAT was ESA dedicated first X-ray observatory, a highly eccentric Earth-orbiting spacecraft that surveyed high-energy sources and carried out pointed X-ray observations from 1983 until loss of attitude control in 1986.

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Identity

Aliases
EXOSATExosatEuropean X-ray Observatory Satellite1983-051A
Family Name
EXOSAT
Full Name
EXOSAT European X-ray Observatory Satellite spacecraft
Roles
orbiterobservatoryresearch
Status
retired
Type
spacecraft

Details

Description
EXOSAT was ESA dedicated first X-ray observatory, a highly eccentric Earth-orbiting spacecraft that surveyed high-energy sources and carried out pointed X-ray observations from 1983 until loss of attitude control in 1986.
First Flight Year
1,983
Last Flight Year
1,986
Operator
Programs
-
Spacecraft Specs
Reusability
expendable

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Creation Time
August 1, 2026 at 13:45:37 UTC
Updated Time
August 13, 2026 at 18:58:59 UTC