Status
Launch Successful
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Description
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.
Details
Type
Earth Science
Orbit
Low Earth Orbit (LEO)
Location
Unknown
Date
Tue, Aug 25, 1964, 13:43
Weather
Pro