1938 BC. Discovered 1938 Jan. 26 by Y. Väisälä at Turku.
This member of the Hilda Group is named in honor of Liisi Oterma (1915–2001), astronomer at, and since 1971 director of, the Astronomical-Optical Institute at Turku. She is well known for her discoveries and observations of comets and minor planets and also for her work on their orbits. (M 3929)
Name proposed by B. G. Marsden and E. Roemer.