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Ranger 5

Ranger 5 was NASA's third Block II attempt to impact the Moon, carrying a television imaging system, gamma-ray spectrometer and seismometer capsule. A power-system malfunction shortly after its October 18, 1962 launch exhausted its battery before a course correction could be made. The spacecraft missed the Moon on October 21 and entered solar orbit, although its gamma-ray experiment returned about four hours of data.

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Identity

Aliases
Ranger 5Ranger VRanger 5 Lunar Impact Probe
Name
Ranger 5
Status
failed

Details

Astronauts
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Description
Ranger 5 was NASA's third Block II attempt to impact the Moon, carrying a television imaging system, gamma-ray spectrometer and seismometer capsule. A power-system malfunction shortly after its October 18, 1962 launch exhausted its battery before a course correction could be made. The spacecraft missed the Moon on October 21 and entered solar orbit, although its gamma-ray experiment returned about four hours of data.
Destination
Failed lunar impact; battery depletion left Ranger 5 to pass the Moon by approximately 724 km and enter heliocentric orbit
End Date
1962-10-21
Outcome
The lunar-impact and surface-science objectives were not achieved. A limited interplanetary gamma-ray dataset was returned before power was lost.
Programs
Start Date
1962-10-18
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Creation Time
August 14, 2026 at 17:19:07 UTC
Updated Time
October 17, 2026 at 14:01:54 UTC

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