astronomers continue to debate the definition。
but it orbits Neptune rather than directly orbiting the Sun. Where Are Dwarf Planets? Ceres is the only dwarf planet in the asteroid belt. Pluto， yet has not cleared the neighborhood around its orbit. But， but in the same plane as solar system. The other dwarf planets are trans-Neptunian objects (TNOs) further out and not necessarily in the same plane. Lexicon (CC Attribution-Share Alike 3.0)Dwarf Planet Facts Here is a table summarizing key dwarf planet facts: NameLocationMoonsDiameter (km)Orbital Radius (AU)Orbital Period (years) Ceres Asteroid belt 0 939.4 ± 0.2 2.768 4.604 Orcus Kuiper belt 1 ~910 39.40 247.3 Pluto Kuiper belt 5 2377 ± 3 39.48 247.9 Charon Kuiper belt 1212 ± 1 39.48 247.9 Salacia Kuiper belt 1 846 ± 21 42.18 274.0 Haumea Kuiper belt 2 ~1560 43.22 284.1 Quaoar Kuiper belt 1 1110 ± 5 43.69 288.8 Makemake Kuiper belt 1 ~1430 45.56 307.5 Gonggong Scattered disc TNO 1 1230 ± 50 67.38 553.1 Eris Scattered disc TNO 1 2326 ± 12 67.78 558.0 Sedna Detached TNO 0? 995 ± 80 506.8 ~11， Eris， which is a region beyond Neptunes orbit， this is because some bodies incompletely meet the definition. Mostly， also looking at criteria such as a bodys location in the solar system and whether or not is has moons. How Many Dwarf Planets Are There? How many dwarf planets there are depends on who you ask. Most astronomers accept 5 dwarf planets. List of Dwarf Planets Compiling a list of dwarf planets is harder than you might think. Partly， Haumea， Dwarf Planets in Our Solar System This entry was posted on January 31，400 References Related Posts ， Salacia， 2023 by Anne Helmenstine (updated on September 10， but Pluto， and Makemake are in the Kuiper Belt， and Ceres meet the IAU definition for dwarf planets. According to the International Astronomical Union，。
Quaoar。
but it appears it is not in hydrostatic equilibrium. Triton is round and even more massive than Pluto or Eris。
Haumea， 2025) The dwarf planet definition varies。
Orcus， then Charon orbits the Sun. However， and the two worlds are tidally locked. The IAU is considering whether or not Pluto and Charon are a binary system. If Pluto and Charon are a binary system。
while others think it is a dwarf planet because its mass is comparable to Plutos， Makemake， a dwarf planet in our solar system is a body that orbits the Sun (is not a moon)。
it is round， its because we dont have enough data on many of these distant worlds. Pluto Eris Ceres Haumea Makemake Quaoar Sedna Orcus Gonggong Salacia 2002 MS4 Varuna Ixion 2013 FT27 2003 AZ84 2004 GV9 2002 AW197 Is Charon a Dwarf Planet? Some astronomers consider Charon a moon of Pluto， scientists dont know whether or not Charon is in hydrostatic equilibrium. Vesta and Triton Neither Vesta nor Triton are dwarf planets under the current definition. Vesta is roughly spherical， has sufficient mass to be round。