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LaunchesExplorer 21
USAFSUCCESS

Explorer 21

Thor Delta C · Astrophysics

1964Space Launch Complex 17A, Cape Canaveral

Mission

Explorer 21 (IMP 2) was a solar-cell and chemical-battery powered spacecraft instrumented for interplanetary and distant magnetospheric studies of energetic particles, cosmic rays, magnetic fields, and plasmas.

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Mission Facts

Provider
USAF
Rocket
Thor Delta C
Orbit
Elliptical
Pad
Space Launch Complex 17A
NET precision
Year
Data source
LL2
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