Juno II — mission imagery
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Success

Pioneer 4

Juno IINational Aeronautics and Space AdministrationLaunch Complex 5
Tuesday, March 3, 1959 · 05:10 AM UTC

This mission is complete.

Mission Brief

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.

PayloadPioneer 4
OrbitLunar flyby
CustomerNational Aeronautics and Space Administration
StagesUnknown
PadLaunch Complex 5, Cape Canaveral SFS, FL, USA

Mission Timeline

14 / 14100%

Ground vector

Launch site

Site locked

Launch Complex 5

Cape Canaveral SFS, FL, USA

Global range
SITE LOCK
Latitude
28.439°N
Longitude
80.573°W

Range Weather

Launch commit criteria

Clear
Watch
TrackingNo active constraints
Weather Rules

Tracking no weather issues at this time.

Primary concern
No weather issues
Rule count
0
Temperature
Not reported
Surface wind
Not reported
Window

05:10 AM UTC - 05:10 AM UTC

Vehicle

HeightN/A
LEO PayloadN/A
Launches147
Successes122

Provider

National Aeronautics and Space Administration

Profile →

USA • Founded 1958

Schedule History

No meaningful launch-time or status changes recorded.