Explorer 18 (IMP-A / Interplanetary Monitoring Platform 1), a NASA spacecraft for solar-wind, cosmic-ray, magnetic-field, and plasma measurements beyond the magnetosphere. Maiden Delta C from Cape Canaveral LC-17B placed it in a highly elliptical Earth orbit on 27 November 1963.
- Outcome
- Success
- Orbit
- Elliptical
- Elliptical orbit
- Payload to orbit
- 63 kg
- Flight
- 1st
- of 10 Thor Delta C flights
- Date and time
- 27 November 1963, 02:30 UTC
- Rocket
- Thor Delta C
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
- Payload
- Astrophysics
- International designator
- 1963-046
- Launches in 1963
- 59th of 69
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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