Explorer 15 (EPE-C / S-3B), a NASA Energetic Particles Explorer studying the artificial radiation belt created by the July 1962 Starfish Prime high-altitude nuclear test. Thor Delta A from Cape Canaveral LC-17B placed it in a highly elliptical orbit; it returned particle data until late January 1963.
- Outcome
- Success
- Orbit
- Elliptical
- Elliptical orbit
- Payload to orbit
- 44 kg
- Flight
- 2nd
- of 2 Thor Delta A flights
- Date and time
- 27 October 1962, 23:15 UTC
- Rocket
- Thor Delta A
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
- Payload
- Earth Science
- International designator
- 1962-059
- Launches in 1962
- 67th of 81
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