Pedro E. Zadunaisky (1918– ), one of the most active celestial mechanicians in Argentina, worked in particular on the orbits of comet 1P/Halley and Saturn IX (Phoebe). His monograph A Guide to Celestial Mechanics was published in 1961. (M 41027) _ _.
Discovered on 22-2-1976 in El Leoncito by Felix Aguilar Observatory