Mission · NASA
Pioneer 10
Launch1972
Jupiter flyby4 Dec 1973
Mass258 kg
Last signalJan 2003
NASA's first mission to the outer planets, designed for 21 months and lasting more than 30 years.
Its last signal came from 12.23 billion km away. Like Pioneer 11 it carries a plaque for any spacefarers who find it.
Sources
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