United States Air ForceAtlas LV-3 Agena BLaunch Complex 12, Cape Canaveral SFS, FL, USA
Ranger 4
Launched
April 23, 1962
Image: NASA
Summary
Ranger 4 launched on an United States Air Force Atlas LV-3 Agena B from Launch Complex 12, Cape Canaveral SFS, FL, USA on April 23, 1962. It was United States Air Force's 82nd launch, 11th this year and humanity's 157th orbital launch attempt. It was the 12th Atlas LV-3 Agena B flight and the 4th this year. The payload was bound for Lunar Impactor (Lunar Impactor).
- Watch
- No webcast on record.
- Vehicle
- Atlas LV-3 Agena B · United States Air Force
- Booster
- No booster details on record.
- Mission
- Lunar Exploration · Lunar Impactor (Lunar Impactor)
- Milestone
- 12th Atlas LV-3 Agena B flight · 4th this yearUnited States Air Force's 82nd launch11th this yearhumanity's 157th orbital launch attempt15th orbital launch attempt this year
Flight preview
About this launch
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.
Pad

Launch Complex 12, Cape Canaveral SFS, FL, USA
6th launch from Launch Complex 12, 2nd this year · 78th from Cape Canaveral SFS, FL, USA
23 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
87 days after the previous launch from this pad
Questions
When did Ranger 4 launch?
Ranger 4 launched on April 23, 1962. The time is known to the hour, not the minute.
Where can I watch Ranger 4?
No webcast is on record for this launch.
What rocket launched Ranger 4?
Atlas LV-3 Agena B, flown by United States Air Force. Atlas LV-3 Agena B spec sheet
Where did Ranger 4 launch from?
Launch Complex 12, Cape Canaveral SFS, FL, USA.
What orbit was Ranger 4 going to?
Lunar Impactor (Lunar Impactor), a lunar exploration mission.
