Trajectory & orbital insertion
Ascent path is a representation — true ascent telemetry isn’t public.
Provider
National Aeronautics and Space Administration
Provider type
Government
Orbit
LEO
Mission type
Earth Science
Launch site
United States of America
Date
Tue, 25 Aug 1964 13:43:00 GMT
Orbital launch #
#353 ever
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.