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Juno I
21.3m
Human (1.8m)
1.8m
Juno I / Credits: Wikipedia (Wikimedia Commons)
United StatesRetired1958–1958
Juno I
Jet Propulsion Laboratory / Army Ballistic Missile Agency
America's first satellite launcher — clustered design that worked on the 5th attempt.
Juno I was based on the Redstone IRBM with clustered upper stages. Its only successful flight on January 31, 1958, launched Explorer 1 and discovered the Van Allen radiation belts.
Fun facts
Discovered the Van Allen radiation belts around Earth.
Height
21.3 m
Diameter
1.78 m
Mass
30 t
Stages
4
Thrust
345 kN
Payload LEO
17 kg
Payload GTO
—
Total flights
6
Success rate50.0%
3 success3 failure
Launch pads
- LC-5, Cape Canaveral
No upcoming launches scheduled.
