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Launch SuccessfulUnited States Air Force
Thor Delta C: Explorer 26
Explorer 26 was a spin-stabilized, solar-cell-powered spacecraft instrumented to measure cosmic-ray particles, trapped particles, solar wind protons, and magnetospheric and interplanetary magnetic fields.
Monday, 21 December 1964
Mission Data
🇺🇸United States Air ForceEst. 1947
Launch VehicleThor Delta C
Vehicle FamilyThor
Vehicle Record8 of 10 launches (80%)
Provider TypeGovernment
Agency Record972 successes / 106 failures (90%)
Success Streak68 consecutive
Mission TypeEarth Science
Target OrbitElliptical Orbit
Launch PadSpace Launch Complex 17A
Location🇺🇸 Cape Canaveral SFS, FL, USA USA
Orbital Launches This Year#99
Agency Launches This Year#55
Launches From This Pad145
Launches From This Site1,132
Status Note
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About Thor Delta C
American orbital launch vehicle family with Thor first stage and a delta second stage.
Launch Site
Space Launch Complex 17A · 28.4472°N 80.5650°W
Launch data from Launch Library 2 by The Space Devs.