Pluto
dwarf planet · Kuiper belt
36 AU from Earth
A world of nitrogen glaciers, water-ice mountains and a vast pale heart, seen close up only once, by New Horizons in 2015.
- radius 1,188 km, smaller than our Moon
- sunlight there is 1,000 times dimmer than at Earth
Numbers that change with time are from 8 November 2026.
open Pluto in the atlas ›- kind
- place in the Solar System · moon or small world
- distance
- 35.6 AU from the Sun
- size
- 2,380 km across
- orbits
- the Sun