Tags: Asteroid.
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.