Space · launch vehicle
Juno-I
CHR
RETIRED
At a glance
Launches
6
Success rate
50%
3 ok · 3 failed
Payload to LEO
11 kg
Payload to GTO
—
Manufacturer
ChryslerStatus
RetiredFirst flight
31 Jan 1958Reusable
NoHeight
21.2 mDiameter
1.78 mLaunch mass
29 tLiftoff thrust
416 kNStages
4Launch cost
—Booster landings
—Links
WikipediaAbout
The Juno I was a four-stage American booster rocket which launched America's first satellite, Explorer 1 in 1958. A member of thr redstone family, it was derived from the Jupiter-C sounding rocket.
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026