Trajectory & orbital insertion
Ascent path is a representation — true ascent telemetry isn’t public.
Provider
Army Ballistic Missile Agency
Provider type
Government
Orbit
MEO
Mission type
Earth Science
Launch site
United States of America
Date
Sat, 26 Jul 1958 15:00:57 GMT
Orbital launch #
#15 ever
Mission
An American satellite in order to study the Van Allen radiation belts and the effects of nuclear explosions upon these belts.