Ceres is in Earth's orbit.
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 . A geosynchronous orbit ( sometimes abbreviated GSO ) is an orbit about the Earth of a satellite with an orbital period that matches the rotation of the Earth on its axis ( one sidereal day ) of approximately 23 hours 56 minutes and 4 seconds .