Juno II | Pioneer 4
Pioneer 4 was a spin-stabilized spacecraft intended as a lunar probe and successfully performed a fly by of the moon at a height of 58983km. Unfortunately it didn't come close enough to trigger its photoelectric sensor.
Mission Details
- Launch date: March 3, 1959 at 05:10 AM UTC
- Launch vehicle: Juno II
- Operator: National Aeronautics and Space Administration
- Launch site: Cape Canaveral SFS, FL, USA
- Mission type: Lunar Exploration