Asteroids · 3
Kuiper Belt Objects
Bodies of the broad icy ring beyond Neptune's orbit.
The largest and best-known Kuiper Belt object, a dwarf planet locked in a 2:3 mean-motion resonance with Neptune (the archetypal 'plutino'), explored by New Horizons in 2015.
CategoryDwarf planetDiscovered1930A fast-rotating, elongated dwarf planet in the Kuiper Belt, with a ring and two known moons.
CategoryTrans-NeptunianDiscovered2004A bright dwarf planet in the classical Kuiper Belt, one of the largest trans-Neptunian objects.
CategoryTrans-NeptunianDiscovered2005