4617 Zadunaisky

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4617 Zadunaisky is an asteroid named in honor of Argentinian astronomer and mathematician Pedro E. Zadunaisky.

Pedro Elias Zadunaisky (1918-7 October 2009) was an astronomer who plotted the orbit of Saturn's most-distant moon, Phoebe, as well as several comets including Halley's Comet, and various satellites including Explorer I.

He lived and died in Argentina. He was once a senior astronomer and a mathematician at the Smithsonian Astrophysical Observatory and at NASA's Goddard Space Flight Center.[1]

References

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