Newslink: Hi, Ho! 'Snow White' the Dwarf Planet Has Its Own Moon
The dwarf planet 2007 OR10, informally known as "Snow White," has a moon that's between 150 miles and 250 miles (240 to 400 kilometers) wide, a new study reveals.
http://www.space.com/36908-dwarf-planet-snow-white-has-a-moon.html