Explorer 18 (IMP-I)
Explorer 18, the first Interplanetary Monitoring Platform, was NASA’s interplanetary-space observatory launched on November 27, 1963 to study charged particles, cosmic rays, solar wind, magnetic fields, and the interaction between Earth’s magnetosphere and the interplanetary medium.
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Identity
- Aliases
- Explorer XVIIIExplorer 18Interplanetary Monitoring Platform AIMP-AIMP-I1963-046
- Name
- Explorer 18 (IMP-I)
- Status
- completed
Details
- Astronauts
- -
- Description
- Explorer 18, the first Interplanetary Monitoring Platform, was NASA’s interplanetary-space observatory launched on November 27, 1963 to study charged particles, cosmic rays, solar wind, magnetic fields, and the interaction between Earth’s magnetosphere and the interplanetary medium.
- Destination
- Highly elliptical Earth orbit
- Outcome
- IMP-I extended solar-terrestrial observations beyond Earth’s magnetosphere, measuring interplanetary magnetic fields, energetic particles, cosmic rays, and geomagnetic-tail phenomena as the first spacecraft in NASA’s continuing IMP series.
- Programs
- Start Date
- 1963-11-27
- Vehicle Families
Links
- Official Url
- https://ntrs.nasa.gov/citations/19660012411
Assets & Meta
- Creation Time
- August 14, 2026 at 19:49:36 UTC
- Updated Time
- August 14, 2026 at 19:49:36 UTC
Other
- Affiliations
- Space Stations
- -
- Vehicles