Photo: NASA · Public domain (US government)
About this launch
First successfully launched American satellite. It was the first spacecraft to detect the Van Allen Radiation Belt.
More about this launch
Flight profileThe climb, seen from the side · 3D replay on the globe
Launch window and padCape Canaveral SFS, FL, USA
- Site
- Cape Canaveral SFS, FL, USA
Rocket and boosterJuno-I
MissionTest Flight · LEO
Test Flight · LEO
What it put in orbit1 catalogued object
| Object | Type | Orbit | Globe |
|---|---|---|---|
| EXPLORER 1 1958-001A | Payload | re-entered 1970-03-31 |
COSPAR ID 1958-001. Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).
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