Explorer 40 (Injun 5)
Explorer 40 (Injun 5) was a dedicated magnetically oriented space-physics mission studying downward charged-particle flux, ionospheric VLF emissions, trapped protons, alpha particles and electrons, solar cosmic rays, the artificial radiation belt, and thermal electron and ion populations.
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Identity
- Aliases
- Explorer XLExplorer 40Injun 5INJUN V1968-065B
- Name
- Explorer 40 (Injun 5)
- Status
- completed
Details
- Astronauts
- -
- Description
- Explorer 40 (Injun 5) was a dedicated magnetically oriented space-physics mission studying downward charged-particle flux, ionospheric VLF emissions, trapped protons, alpha particles and electrons, solar cosmic rays, the artificial radiation belt, and thermal electron and ion populations.
- Destination
- Highly elliptical, near-polar low Earth orbit at approximately 631 km perigee and 2,533 km apogee (80.7° inclination; 118-minute period)
- Programs
- Start Date
- 1968-08-08
- Vehicle Families
Links
Assets & Meta
- Creation Time
- August 14, 2026 at 20:49:10 UTC
- Updated Time
- August 21, 2026 at 11:52:16 UTC
Other
- Affiliations
- Space Stations
- -
- Vehicles