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Explorer 51 (AE-C)

Explorer 51 (Atmosphere Explorer-C) was a dedicated atmospheric-science mission measuring the composition, temperature, and dynamics of Earth’s upper atmosphere.

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Identity

Aliases
Explorer LIExplorer 51Atmosphere Explorer CAE-C
Name
Explorer 51 (AE-C)
Status
completed

Details

Astronauts
-
Description
Explorer 51 (Atmosphere Explorer-C) was a dedicated atmospheric-science mission measuring the composition, temperature, and dynamics of Earth’s upper atmosphere.
Destination
Highly elliptical low Earth orbit at approximately 156 km perigee and 4,199 km apogee (68.1° inclination; 2 hours 12 minutes period)
End Date
1978-12-12
Programs
Start Date
1973-12-16
Vehicle Families

Links

Assets & Meta

Creation Time
August 14, 2026 at 21:21:23 UTC
Updated Time
August 21, 2026 at 12:14:36 UTC

Other

Affiliations
Space Stations
-
Vehicles
Explorer 51 (AE-C) - AeroVia