Explorer 31 DME-A Direct Measurement Ionosphere Research Spacecraft Family
Explorer 31, also known as DME-A, was a NASA direct-measurement ionosphere satellite launched November 29, 1965. Cylindrical electrostatic, retarding-potential, mass-spectrometer, and related probes measured electron and ion density, temperature, composition, and plasma behavior in the topside ionosphere through 1968.
Follow this vehicle family
Alerts for directly linked future launches and major activity.
Identity
- Aliases
- Explorer 31Explorer XXXIDME-ADirect Measurement Explorer-A1965 95BExplorer 31 spacecraft
- Family Name
- Explorer 31
- Full Name
- Explorer 31 DME-A Direct Measurement Ionosphere Research Spacecraft Family
- Roles
- orbiterobservatoryresearch
- Status
- retired
- Type
- spacecraft
Details
- Description
- Explorer 31, also known as DME-A, was a NASA direct-measurement ionosphere satellite launched November 29, 1965. Cylindrical electrostatic, retarding-potential, mass-spectrometer, and related probes measured electron and ion density, temperature, composition, and plasma behavior in the topside ionosphere through 1968.
- First Flight Year
- 1,965
- Last Flight Year
- 1,968
Links
Assets & Meta
- Creation Time
- August 14, 2026 at 07:43:45 UTC
- Updated Time
- August 14, 2026 at 07:43:45 UTC