United States Air ForceThor Delta CSpace Launch Complex 17B, Cape Canaveral SFS, FL, USA
Thor Delta C | Explorer 28
Launch window
No countdown — this launch time is not yet known to the minute.May 29, 1965Add to calendar
Launch Successful
Image: NASA
United States Air Force's 262nd launch · 31st this year · humanity's 441st orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: May 29, 12:00 – May 29, 12:00 UTC
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Explorer 28
Explorer 28 (IMP 3) 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.
Astrophysics · Elliptical Orbit (Elliptical)
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