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Success
Ranger 4
Atlas LV-3 Agena BUnited States Air ForceLaunch Complex 12
Monday, April 23, 1962 · 08:50 PM UTCAdd to Calendar
This mission is complete.
Vehicle
Atlas LV-3 Agena B
Profile →Atlas V is an expendable launch system in the Atlas rocket family. It was formerly operated by Lockheed Martin and is now operated by United Launch Alliance (ULA), a joint venture with...
Height59.7 m
LEO Payload18,850 kg
Launches1078
Successes972
Mission Brief
Ranger 4 was a spacecraft designed to softly impact the lunar surface. Its solar panels were never extended and its sun and earth acquisition system was not initiated due to a failure of a timer in its central computer. It impacted the far side of the Moon on April 26 after 64 hours of flight.
PayloadRanger 4
OrbitLunar Impactor
CustomerUnited States Air Force
Stages2
PadLaunch Complex 12, Cape Canaveral SFS, FL, USA
Mission Timeline
14 / 14100%Site lock
Launch Site
Launch Complex 12, Cape Canaveral SFS, FL, USA
28.481°N, 80.542°W
Schedule History
No delays or schedule changes recorded.




