1982 DZ. Discovered 1982 Feb. 20 by E. Bowell at Anderson Mesa.
Named for William Lassell (1799–1880), discoverer of Neptune’s satellite Triton and Uranus’ satellites Ariel and Umbriel and an independent discoverer of Saturn’s satellite Hyperion. A brewer by trade, he also found some 600 nebulae. (M 9768)
Name suggested and citation prepared by B. Hetherington.
Lassell is also honored by craters on Mars and the Moon.