Near-earth ones of these include Ida, which has its own moon named Dactyl
... X-group asteroids  in the Tholen classification, these include the 
following ... Asteroid 243 Ida, with its small moon Dactyl, imaged by Gallileo in 
August... [DOC] [TLE] Uranus, Neptune, Pluto and Friends - NMSU Astronomy [PAR] Uranus has a radius of 25,500 km, and a mass of 14.5 Earth's.