Eris (minor-planet designation: 136199 Eris) is the most massive and second-largest known dwarf planet in the Solar System. It is a trans-Neptunian object
Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest
complete listofminorplanets in numerical order, see Listofminorplanets. Asteroids are given minorplanet numbers, but not all minorplanets are asteroids