Back to Resources

Explorer 55 Atmosphere Explorer-E Upper-Atmosphere Research Spacecraft Family

Explorer 55, also known as Atmosphere Explorer-E (AE-E), was a NASA upper-atmosphere research satellite launched on November 20, 1975. Its instruments investigated upper-atmosphere composition, density, temperature, ozone, energy transfer, and related ionospheric processes; SPDF’s merged archive covers science data from December 11, 1975 through June 6, 1981 before atmospheric reentry.

Follow this vehicle family

Alerts for directly linked future launches and major activity.

Identity

Aliases
Explorer 55Explorer LVAE-EAE-5Atmosphere Explorer-EAtmosphere Explorer E1975 107AExplorer 55 spacecraft
Family Name
Explorer 55
Full Name
Explorer 55 Atmosphere Explorer-E Upper-Atmosphere Research Spacecraft Family
Roles
orbiterobservatoryresearch
Status
retired
Type
spacecraft

Details

Description
Explorer 55, also known as Atmosphere Explorer-E (AE-E), was a NASA upper-atmosphere research satellite launched on November 20, 1975. Its instruments investigated upper-atmosphere composition, density, temperature, ozone, energy transfer, and related ionospheric processes; SPDF’s merged archive covers science data from December 11, 1975 through June 6, 1981 before atmospheric reentry.
First Flight Year
1,975
Last Flight Year
1,981

Links

Assets & Meta

Creation Time
August 14, 2026 at 08:12:25 UTC
Updated Time
August 14, 2026 at 08:12:25 UTC