Named for Horace P. Tuttle (1837–1923), astronomer at Harvard and — after serving in the U.S. Navy during the Civil War — at the Naval Observatory in Washington. Co-discoverer of both the Perseid comet P/Swift-Tuttle and the Leonid comet P/Tempel-Tuttle {see planets  (5035) and  (3808) for the co-discoverers}, he also found four other comets and the minor planets  (66) Maja and  (73) Klytia. (M 22505) _ _.