Dwarf planets of the Solar System

Name Region Orbital radius (AU) Orbital period (years) Number of moons
Ceres Asteroid belt 2.768 4.6 -
Orcus Kuiper belt 39.40 247.3 1
Pluto Kuiper belt 39.48 247.9 5
Haumea Kuiper belt 43.22 284.1 2
Quaoar Kuiper belt 43.69 288.8 1
Makemake Kuiper belt 45.56 307.5 1
Gonggong Scattered disc 67.38 553.1 1
Eris Scattered disc 67.78 558.0 1
Sedna detached 506.8 11,400 no data