LaunchesExplorer 20
NASASUCCESS
Explorer 20
Scout X-4 · Earth Science
1964Space Launch Complex 5, Vandenberg
Mission
Explorer 20 (IE A, Ionospheric Explorer A, TOPSI, Top Side Explorer or S 48) was designed to measure electron distribution, ion density and temperature, and to estimate cosmic noise levels between 2 and 7 MHz.
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Mission Facts
- Provider
- NASA
- Rocket
- Scout X-4
- Orbit
- LEO
- Pad
- Space Launch Complex 5
- NET precision
- Year
- Data source
- LL2