1968 HC. Discovered 1968 Apr. 17 by P. Wild at Zimmerwald.

Named in memory of Seth Barnes Nicholson (1891–1963), discoverer of four of Jupiter’s satellites and pioneer in several branches of observational research on members of the solar system. (M 4236)

Nicholson is also honored by craters on the Moon and Mars and by a region on the Jupiter satellite Ganymed.