Explorer 55 (Atmosphere Explorer-E) was a dedicated upper-atmosphere mission that measured the composition, temperature, and dynamics of Earth’s thermosphere and ionosphere.
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Identity
Aliases
Explorer LVExplorer 55Atmosphere Explorer EAE-E
Name
Explorer 55 (AE-E)
Status
completed
Details
Astronauts
-
Description
Explorer 55 (Atmosphere Explorer-E) was a dedicated upper-atmosphere mission that measured the composition, temperature, and dynamics of Earth’s thermosphere and ionosphere.
Destination
Elliptical low Earth orbit at approximately 158 km perigee and 3,026 km apogee (19.7° inclination; 110-minute period initially), later circularized near 400 km