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Pioneer 11

Pioneer 11 was NASA's second outer-planet reconnaissance mission. It used a close Jupiter encounter to redirect across the solar system and became the first spacecraft to examine Saturn at close range.

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Identity

Aliases
Pioneer GPioneer-G1973-019A
Name
Pioneer 11
Slug
pioneer-11
Status
completed

Details

Astronauts
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Description
Pioneer 11 was NASA's second outer-planet reconnaissance mission. It used a close Jupiter encounter to redirect across the solar system and became the first spacecraft to examine Saturn at close range.
End Date
1995-11-24
Launch Site
Outcome
Successfully flew past Jupiter in 1974 and Saturn in 1979; NASA ended routine operations after the spacecraft's weakening signal was last received in 1995.
Program
Pioneer
Start Date
1973-04-06
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Creation Time
July 18, 2026 at 11:56:16 UTC
Updated Time
July 18, 2026 at 11:56:16 UTC

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