Army Ballistic Missile AgencyJuno-ILaunch Complex 5, Cape Canaveral SFS, FL, USA
Explorer 4
Launched
July 26, 1958
Image: NASA
Summary
Explorer 4 launched on an Army Ballistic Missile Agency Juno-I from Launch Complex 5, Cape Canaveral SFS, FL, USA on July 26, 1958. It was Army Ballistic Missile Agency's 4th launch, 4th this year and humanity's 15th orbital launch attempt. It was the 4th Juno-I flight. The payload was bound for Medium Earth Orbit (MEO).
- Watch
- No webcast on record.
- Vehicle
- Juno-I · Army Ballistic Missile Agency
- Booster
- No booster details on record.
- Mission
- Earth Science · Medium Earth Orbit (MEO)
- Milestone
- 4th Juno-I flightArmy Ballistic Missile Agency's 4th launch4th this yearhumanity's 15th orbital launch attempt12th orbital launch attempt this year
Flight preview
About this launch
An American satellite in order to study the Van Allen radiation belts and the effects of nuclear explosions upon these belts.
Pad
Launch Complex 5, Cape Canaveral SFS, FL, USA
1st launch from Launch Complex 5, 1st this year · 10th from Cape Canaveral SFS, FL, USA
13 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
under an hour after the previous launch from this pad
Questions
When did Explorer 4 launch?
Explorer 4 launched on July 26, 1958. The time is known to the hour, not the minute.
Where can I watch Explorer 4?
No webcast is on record for this launch.
What rocket launched Explorer 4?
Juno-I, flown by Army Ballistic Missile Agency. Juno-I spec sheet
Where did Explorer 4 launch from?
Launch Complex 5, Cape Canaveral SFS, FL, USA.
What orbit was Explorer 4 going to?
Medium Earth Orbit (MEO), a earth science mission.