February 1, 1958 3:47 am

Explorer 1

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Juno-I

Cape Canaveral SFS, FL, USA
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February 1, 1958 3:47 am

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Last Updated:

2026-07-14 00:30:29

First successfully launched American satellite. It was the first spacecraft to detect the Van Allen Radiation Belt.
Launch Overview
Window Open 03:47 UTC
Window Close 03:47 UTC
Lift Off Feb 1, 1958 · 03:47 UTC
Launch Facility Cape Canaveral SFS, FL, USA
Launch Pad Launch Complex 26A
Target Orbit Low Earth Orbit
Payload Overview
Customer Army Ballistic Missile Agency
Payload Explorer 1
Rocket Juno-I
Destination Low Earth Orbit
Recovery Overview
Landing Location See Mission Notes
Landing Type RTLS / Droneship
First successfully launched American satellite. It was the first spacecraft to detect the Van Allen Radiation Belt.

Height

LEO Payload

Total Launches

Status

Army Ballistic Missile Agency
Launch Complex 26A
Launch Overview
Window Open 03:47 UTC
Window Close 03:47 UTC
Lift Off Feb 1, 1958 · 03:47 UTC
Launch Facility Cape Canaveral SFS, FL, USA
Launch Pad Launch Complex 26A
Target Orbit Low Earth Orbit
Payload Overview
Customer Army Ballistic Missile Agency
Payload Explorer 1
Rocket Juno-I
Destination Low Earth Orbit
Recovery Overview
Landing Location See Mission Notes
Landing Type RTLS / Droneship

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