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Launch SuccessfulUnited States Air Force
Thor DM-21 Agena-B: Discoverer 19
Discoverer 19 was an American optical reconnaissance satellite. It was part of the Missile Defence Alarm System.
Tuesday, 20 December 1960
Mission Data
🇺🇸United States Air ForceEst. 1947
Launch VehicleThor DM-21 Agena-B
Vehicle FamilyThor
Vehicle Record32 of 40 launches (80%)
Provider TypeGovernment
Agency Record972 successes / 106 failures (90%)
Success Streak68 consecutive
Mission TypeGovernment/Top Secret
Target OrbitLow Earth Orbit
Launch PadSpace Launch Complex 1E
Location🇺🇸 Vandenberg SFB, CA, USA USA
Orbital Launches This Year#38
Agency Launches This Year#27
Launches From This Pad45
Launches From This Site923
Status Note
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About Thor DM-21 Agena-B
Thor-Agena was a series of orbital launch vehicles.
Launch Site
Space Launch Complex 1E · 34.7560°N 120.6263°W
Launch data from Launch Library 2 by The Space Devs.