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Explorer 13 (Micrometeoroid Satellite)

Explorer 13 was NASA’s dedicated micrometeoroid satellite, launched on August 25, 1961 to measure particle impacts and penetration hazards in near-Earth space.

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Identity

Aliases
Explorer XIIIExplorer 131961 CHINASA S-55AMicrometeoroid Satellite Explorer XIII
Name
Explorer 13 (Micrometeoroid Satellite)
Status
completed

Details

Astronauts
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Description
Explorer 13 was NASA’s dedicated micrometeoroid satellite, launched on August 25, 1961 to measure particle impacts and penetration hazards in near-Earth space.
Destination
Low Earth orbit
End Date
1961-08-28
Outcome
A Scout fourth-stage malfunction left Explorer 13 in a much lower orbit than planned; it reentered after roughly three days and returned no significant impact data, while demonstrating micrometeoroid-detector instrumentation.
Programs
Start Date
1961-08-25
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Creation Time
August 14, 2026 at 19:38:45 UTC
Updated Time
August 14, 2026 at 19:38:45 UTC

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