Dwarf Earth Hygiea while in the asteroid belt also has no moon. Having said that, a variety of scaled-down asteroids (also referred to as slight planets) do have moons, but They can be all way too faint to view in almost any beginner telescope. It had been learned in 1610 https://moons72593.onesmablog.com/helping-the-others-realize-the-advantages-of-bestmoons-75380573