Thor Delta C — mission imagery
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Explorer 18

Thor Delta CUnited States Air ForceSpace Launch Complex 17B
Wednesday, November 27, 1963 · 02:30 AM UTC
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This mission is complete.

Mission Brief

Explorer 18 (IMP 1, Interplanetary Monitoring Platform) was a solar-cell and chemical-battery powered spacecraft instrumented for interplanetary and distant magnetospheric studies of energetic particles, cosmic rays, magnetic fields, and plasmas.

PayloadExplorer 18
OrbitElliptical Orbit
CustomerUnited States Air Force
StagesUnknown
PadSpace Launch Complex 17B, Cape Canaveral SFS, FL, USA

Mission Timeline

14 / 14100%

Ground vector

Launch site

Site locked

Space Launch Complex 17B

Cape Canaveral SFS, FL, USA

Global range
SITE LOCK
Latitude
28.446°N
Longitude
80.566°W

Range Weather

Launch commit criteria

Clear
Watch
TrackingNo active constraints
Weather Rules

Tracking no weather issues at this time.

Primary concern
No weather issues
Rule count
0
Temperature
Not reported
Surface wind
Not reported
Window

02:30 AM UTC - 02:30 AM UTC

Vehicle

Thor Delta C

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HeightN/A
LEO PayloadN/A
Launches1,078
Successes972

Provider

United States Air Force

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Schedule History

No meaningful launch-time or status changes recorded.

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