<Tr> <Th> Haumea </Th> <Td> ≈ 36% </Td> <Td> 1632 7003124000000000000 ♠ 1240 + 69 − 58 </Td> <Td> 5.5% </Td> <Td> 7000401000000000000 ♠ 4.01 ± 0.04 </Td> <Td> 1.885--1.757 2.6--3.3 (?) </Td> <Td> 0.44 </Td> <Td> 0.84 </Td> <Td> </Td> <Td> 0.16 </Td> <Td> </Td> <Td> 7001320000000000000 ♠ 32 ± 3 </Td> <Td>? </Td> <Td> 0.2 </Td> </Tr> <Tr> <Th> Makemake </Th> <Td> 41% </Td> <Td> 7003143000000000000 ♠ 1430 ± 14 </Td> <Td>? </Td> <Td>? </Td> <Td>> 1.4 </Td> <Td> </Td> <Td> </Td> <Td>? </Td> <Td> 0.32 </Td> <Td> </Td> <Td> ≈ 30 </Td> <Td> none </Td> <Td> − 0.3 </Td> </Tr> <Tr> <Th> Eris </Th> <Td> 67% </Td> <Td> 7003232600000000000 ♠ 2326 ± 12 </Td> <Td> 22.7% </Td> <Td> 16.7 </Td> <Td> 2.5 </Td> <Td> ≈ 0.8 </Td> <Td> 1.3 </Td> <Td> </Td> <Td> ≈ 1 (0.75--1.4) </Td> <Td> </Td> <Td> ≈ 42 </Td> <Td> transient? </Td> <Td> − 1.1 </Td> </Tr> <Table> Additional objects recognized by Brown and Tancredi as dwarf planets <Tr> <Td> <Table> Orbital attributes <Tr> <Th> Name </Th> <Th> Region of the Solar System </Th> <Th> Orbital radius (AU) </Th> <Th> Orbital period (years) </Th> <Th> Mean orbital speed (km / s) </Th> <Th> Inclination to ecliptic </Th> <Th> Orbital eccentricity </Th> <Th> Planetary discriminant </Th> </Tr> <Tr> <Th> Orcus </Th> <Td> Kuiper belt (plutino) </Td> <Td> 39.17 </Td> <Td> 245.18 </Td> <Td> </Td> <Td> 20.57 ° </Td> <Td> 0.227 </Td> <Td> 0.003 </Td> </Tr> <Tr> <Th> 2002 MS </Th> <Td> Kuiper belt (cubewano) </Td> <Td> 41.931 </Td> <Td> 271.53 </Td> <Td> </Td> <Td> 17.693 ° </Td> <Td> 0.14135 </Td> <Td> </Td> </Tr> <Tr> <Th> Salacia </Th> <Td> Kuiper belt (cubewano) </Td> <Td> 42.1889 </Td> <Td> 274.03 </Td> <Td> </Td> <Td> 23.9396 ° </Td> <Td> 0.10312 </Td> <Td> </Td> </Tr> <Tr> <Th> Quaoar </Th> <Td> Kuiper belt (cubewano) </Td> <Td> 43.405 </Td> <Td> 285.97 </Td> <Td> </Td> <Td> 8.00 ° </Td> <Td> 0.039 </Td> <Td> 0.007--0.010 </Td> </Tr> <Tr> <Th> 2007 OR </Th> <Td> Scattered disc (10: 3) </Td> <Td> 67.21 </Td> <Td> 550.98 </Td> <Td> </Td> <Td> 30.70 ° </Td> <Td> 0.500 </Td> <Td>? </Td> </Tr> <Tr> <Th> Sedna </Th> <Td> Detached </Td> <Td> 518.57 </Td> <Td> ≈ 11,400 </Td> <Td> </Td> <Td> 11.93 ° </Td> <Td> 0.853 </Td> <Td> <0.07 </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td> <Table> Physical attributes <Tr> <Th> Name </Th> <Th> Diameter relative to the Moon </Th> <Th> Diameter (km) </Th> <Th> Mass relative to the Moon </Th> <Th> Mass (× 10 kg) </Th> <Th> Density (g / cm) </Th> <Th> Surface gravity (m / s) </Th> <Th> Escape velocity (km / s) </Th> <Th> Axial inclination </Th> <Th> Rotation period (days) </Th> <Th> Moons </Th> <Th> Surface temp . (K) </Th> <Th> Atmosphere </Th> <Th> </Th> </Tr> <Tr> <Th> Orcus </Th> <Td> 26% </Td> <Td> 7002917000000000000 ♠ 917 ± 25 </Td> <Td> 0.9% </Td> <Td> 0.63 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 0.55 </Td> <Td> </Td> <Td> <44 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> 2002 MS </Th> <Td> ≈ 27% </Td> <Td> 7002934000000000000 ♠ 934 ± 47 </Td> <Td> </Td> <Td>? </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td>? </Td> <Td> 0 </Td> <Td> ≈ 43 </Td> <Td> </Td> <Td> 3.7 </Td> </Tr> <Tr> <Th> Salacia </Th> <Td> ≈ 25% </Td> <Td> 7002854000000000000 ♠ 854 ± 45 </Td> <Td> 0.6% </Td> <Td> 0.45 </Td> <Td> 7000115999999999999 ♠ 1.16 + 0.59 − 0.36 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 0.25 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 3.9 </Td> </Tr> <Tr> <Th> Quaoar </Th> <Td> 32% </Td> <Td> 7003111000000000000 ♠ 1110 ± 5 </Td> <Td> 1.8--2.0% </Td> <Td> 7000139999999999999 ♠ 1.4 ± 0.1 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 0.74 </Td> <Td> </Td> <Td> ≈ 43 </Td> <Td> </Td> <Td> 2.4 </Td> </Tr> <Tr> <Th> 2007 OR </Th> <Td> ≈ 44% </Td> <Td> 7003153500000000000 ♠ 1535 + 75 − 225 </Td> <Td> </Td> <Td>? </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 1.87 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 1.8 </Td> </Tr> <Tr> <Th> Sedna </Th> <Td> ≈ 30% </Td> <Td> 7002995000000000000 ♠ 995 ± 80 </Td> <Td> ≈ 1.4% </Td> <Td> ≈ 1 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 0.42 </Td> <Td> 0 </Td> <Td> ≈ 12 </Td> <Td> </Td> <Td> 1.5 </Td> </Tr> </Table> </Td> </Tr> </Table>

Where are dwarf planets found in the solar system