Juno II | Pioneer 3
Pioneer 3 was a spin-stabilized spacecraft intended as a lunar probe but failed to perform a lunar flyby as planned. Its mission was revised to measure radiation in the outer Van Allen radiation belts.
Mission Details
- Launch date: December 6, 1958 at 05:44 AM UTC
- Launch vehicle: Juno II
- Operator: National Aeronautics and Space Administration
- Launch site: Cape Canaveral SFS, FL, USA
- Mission type: Lunar Exploration