Launch SuccessfulNational Aeronautics and Space Administration
Pioneer 3
Juno II
This mission has flown
December 6, 1958
Mission overview
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.
Rocket
Juno II
Mission type
Lunar Exploration
Payload
Pioneer 3
Launch complex
Launch Complex 5 · Cape Canaveral SFS, FL, USA
Launch date
December 6, 1958
Launch window
Instantaneous window
Orbit reached
Lunar flyby
Launch trajectory
The launch pad has not been identified. No flight path is shown.
Your viewing outlook
AI-powered
Based on the available launch details, not live local weather or a confirmed flight path. Visibility is not guaranteed.
Mission updates
Live updates from our team at the press site will appear here on launch day.