Ranger 4, a NASA Block II lunar impactor launched on an Atlas LV-3A Agena-B from Cape Canaveral LC-12 on 23 April 1962. A timer failure disabled the spacecraft, so it hit the Moon's far side on 26 April without returning data—the first U.S. craft to reach another celestial body.
- Outcome
- Success
- Orbit
- Lunar Impactor
- Lunar impact
- Payload to orbit
- 336 kg
- Flight
- 12th
- of 29 Atlas LV-3 Agena B flights
- Date and time
- 23 April 1962, 20:50 UTC
- Rocket
- Atlas LV-3 Agena B
- Builder
- Convair
- Launch site
- Launch Complex 12, Cape Canaveral SFS, FL, USA
- Payload
- Lunar Exploration
- International designator
- 1962-012
- Launches in 1962
- 14th of 81
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas