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Success
Explorer 20
Scout X-4National Aeronautics and Space AdministrationSpace Launch Complex 5
Tuesday, August 25, 1964 · 01:43 PM UTCAdd to Calendar
This mission is complete.
Vehicle
Scout X-4
Profile →Vehicle details are not available yet.
HeightN/A
LEO PayloadN/A
Launches147
Successes122
Provider
National Aeronautics and Space Administration
Profile →USA • Founded 1958
The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and...
Mission Brief
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.
PayloadExplorer 20
OrbitLow Earth Orbit
CustomerNational Aeronautics and Space Administration
Stages0
PadSpace Launch Complex 5, Vandenberg SFB, CA, USA
Mission Timeline
14 / 14100%Site lock
Launch Site
Space Launch Complex 5, Vandenberg SFB, CA, USA
34.608°N, 120.625°W
Schedule History
No delays or schedule changes recorded.



