1959 · National Aeronautics and Space Administration
Pioneer 4
successJuno 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.
Overview
- Date / time
- March 3, 1959 at 05:10 AM UTC
- Outcome
- success
- Launch site
- Launch Complex 5
- Mission
- Pioneer 4
- Mission type
- Lunar Exploration
- Orbit achieved
- Lunar flyby