Juno-I | Explorer 1

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

Mission Details

  • Launch date: February 1, 1958 at 03:47 AM UTC
  • Launch vehicle: Juno-I
  • Operator: Army Ballistic Missile Agency
  • Launch site: Cape Canaveral SFS, FL, USA
  • Mission type: Test Flight