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Explorer 17 Atmosphere Explorer-A upper-atmosphere science spacecraft family

Explorer 17 was a NASA pressurized-sphere satellite launched April 3, 1963 to measure Earth’s upper atmosphere. Its mass spectrometers, vacuum pressure gauges, and electrostatic probes measured atmospheric density, composition, pressure, and temperature during its three-month science mission.

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Identity

Aliases
Explorer 17Explorer XVIIAtmosphere Explorer-AAE-AS-6
Family Name
Explorer 17
Full Name
Explorer 17 Atmosphere Explorer-A upper-atmosphere science spacecraft family
Roles
orbiterobservatoryresearch
Status
retired
Type
spacecraft

Details

Description
Explorer 17 was a NASA pressurized-sphere satellite launched April 3, 1963 to measure Earth’s upper atmosphere. Its mass spectrometers, vacuum pressure gauges, and electrostatic probes measured atmospheric density, composition, pressure, and temperature during its three-month science mission.
First Flight Year
1,963
Last Flight Year
1,963

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Creation Time
August 13, 2026 at 13:03:40 UTC
Updated Time
August 13, 2026 at 13:03:40 UTC