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Explorer 53 (SAS-3)

Explorer 53 (SAS-3) was a dedicated X-ray astronomy mission that surveyed celestial X-ray sources and investigated transient high-energy events.

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Identity

Aliases
Explorer LIIIExplorer 53Small Astronomy Satellite CSAS-CSAS-3
Name
Explorer 53 (SAS-3)
Status
completed

Details

Astronauts
-
Description
Explorer 53 (SAS-3) was a dedicated X-ray astronomy mission that surveyed celestial X-ray sources and investigated transient high-energy events.
Destination
Near-circular equatorial low Earth orbit at approximately 509 km perigee and 516 km apogee (3.0° inclination; 94.9-minute period)
Programs
Start Date
1975-05-07
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Creation Time
August 14, 2026 at 21:26:52 UTC
Updated Time
August 21, 2026 at 12:27:36 UTC

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Affiliations
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