April 23, 1962 8:50 pm
Ranger 4
|
Atlas Agena B
Cape Canaveral SFS, FL, USA
Days
Hours
Minutes
Seconds
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Last Updated:
2026-07-13 23:05:11
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.
Launch Overview
Window Open
20:50 UTC
Window Close
20:50 UTC
Lift Off
Apr 23, 1962 · 20:50 UTC
Launch Facility
Cape Canaveral SFS, FL, USA
Launch Pad
Launch Complex 12
Target Orbit
Lunar Impactor
Payload Overview
Customer
United States Air Force
Payload
Ranger 4
Rocket
Atlas Agena B
Destination
Lunar Impactor
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
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.
Height
LEO Payload
Total Launches
Status
United States Air Force
Launch Complex 12
Launch Overview
Window Open
20:50 UTC
Window Close
20:50 UTC
Lift Off
Apr 23, 1962 · 20:50 UTC
Launch Facility
Cape Canaveral SFS, FL, USA
Launch Pad
Launch Complex 12
Target Orbit
Lunar Impactor
Payload Overview
Customer
United States Air Force
Payload
Ranger 4
Rocket
Atlas Agena B
Destination
Lunar Impactor
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
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