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Army Ballistic Missile AgencyJuno-ILaunch Complex 26A, Cape Canaveral SFS, FL, USA

Explorer 1

Launched

February 1, 1958

Launch Successful

Image: NASA

Summary

Explorer 1 launched on an Army Ballistic Missile Agency Juno-I from Launch Complex 26A, Cape Canaveral SFS, FL, USA on February 1, 1958. It was Army Ballistic Missile Agency's 1st launch, 1st this year and humanity's 4th orbital launch attempt. It was the 1st Juno-I flight. The payload was bound for low Earth orbit (LEO).

Watch
No webcast on record.
Vehicle
Juno-I · Army Ballistic Missile Agency
Booster
No booster details on record.
Mission
Test Flight · Low Earth Orbit (LEO)
Milestone
1st Juno-I flightArmy Ballistic Missile Agency's 1st launch1st this yearhumanity's 4th orbital launch attempt1st orbital launch attempt this year

Flight preview

About this launch

First successfully launched American satellite. It was the first spacecraft to detect the Van Allen Radiation Belt.

Pad

Map of Launch Complex 26A

Launch Complex 26A, Cape Canaveral SFS, FL, USA

1st launch from Launch Complex 26A, 1st this year · 2nd from Cape Canaveral SFS, FL, USA

3 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 1 launch?

Explorer 1 launched on February 1, 1958. The time is known to the hour, not the minute.

Where can I watch Explorer 1?

No webcast is on record for this launch.

What rocket launched Explorer 1?

Juno-I, flown by Army Ballistic Missile Agency. Juno-I spec sheet

Where did Explorer 1 launch from?

Launch Complex 26A, Cape Canaveral SFS, FL, USA.

What orbit was Explorer 1 going to?

Low Earth Orbit (LEO), a test flight mission.