1938 YG. Discovered 1938 Dec. 21 by A. Patry at Nice.
Named in honor of Ernest Esclangon (1876–1954), director of the Paris Observatory. He served as president of the International Astronomical Union from 1935 to 1938. (H 134)
A satellite of (1509) was discovered on 2003 February 13 by W. J. Merline et al. with the ESO 8-m VLT(UT4) on Cerro Paranal (IAUC 8075).