1964 · National Aeronautics and Space Administration
Explorer 20
successScout X-4 | Explorer 20
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.
Overview
- Date / time
- August 25, 1964 at 01:43 PM UTC
- Outcome
- success
- Launch site
- Space Launch Complex 5
- Mission
- Explorer 20
- Mission type
- Earth Science
- Orbit achieved
- Low Earth Orbit