Ceres exists.
Ceres (dwarf planet) . The 33rd-largest known body in the Solar System , it is the only dwarf planet within the orbit of Neptune.Due to its eccentric orbit , the dwarf planet Pluto was also within the orbit of Neptune from 1979 to 1999 , and will be again from approximately 2227 to 2247 . Ceres was the first asteroid to be discovered ( by Giuseppe Piazzi at Palermo on 1 January 1801 ) . Ceres is a non-profit sustainability advocacy organization based in Boston , Massachusetts .