(225088) 2007 OR10
(225088) 2007 OR10 is a very large trans-Neptunian object. It is the largest body in the Solar System without a name, estimated to be between Haumea and Sedna in size. It appears to be a dwarf planet, and is easily large enough to be considered one under the 2006 draft proposal of the IAU, though this has not been formally recognized by the IAU. It was discovered by Meg Schwamb, Michael E. Brown and David L. Rabinowitz on 17 July 2007.
Read more about (225088) 2007 OR10: Nickname, Distance, Absolute Magnitude, Surface Composition and Atmosphere, Semi-major Axis and Orbital Period, Dwarf-planet Status