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Able 4B (Pioneer P-3)

Able 4B (Pioneer P-3) was the physical lunar-orbiter spacecraft launched on 26 November 1959 on the first Atlas-with-upper-stage deep-space payload test. Its nose shroud failed 45 seconds after liftoff, the payload broke away during first-stage flight, and the spacecraft was destroyed.

Identity

Aliases
Able 4B spacecraftPioneer P-3P-3 / Able IVB
Name
Able 4B (Pioneer P-3)
Status
retired

Details

Description
Able 4B (Pioneer P-3) was the physical lunar-orbiter spacecraft launched on 26 November 1959 on the first Atlas-with-upper-stage deep-space payload test. Its nose shroud failed 45 seconds after liftoff, the payload broke away during first-stage flight, and the spacecraft was destroyed.
First Flight Date
1959-11-26
Vehicle Family

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Assets & Meta

Creation Time
August 6, 2026 at 19:59:33 UTC
Updated Time
August 6, 2026 at 19:59:33 UTC

Other

Last Flight Date
1959-11-26
Serial Number
Able 4B
Vehicle Code
Able 4B