Proper Name Pluto Minor Planet Designation 134340 Pluto Provisional Designation Not applicable Orbital Period 249 years 90,777.6 days Mean Distance from the Sun 5,913.49 million km 39.5 AU Rotation Period 6d 9h 18m Diameter 2,370 km Mean Surface Temperature 53 K (-220°C) Moons Charon, Hydra, Kerberos, Nix, Styx Parent star The Sun, yellow dwarf star Other planets in this system Mercury, terrestrial planet Venus, terrestrial planet Earth, terrestrial planet Mars, terrestrial planet Jupiter, gas giant Saturn, gas giant Uranus, ice giant Neptune, ice giant Numerous dwarf planets, asteroids and other bodies Notes The largest of a group of objects orbiting the Sun beyond Neptune, and sharing a specific resonance with Neptune's own orbit. These objects are known as plutinos after their largest and best-known member.
Frosted with methane ice, tiny
Pluto lies so far out in the depths of the
Solar System that sunlight takes more than four hours to reach it.
Use the scrollbar on the right of this window to explore the
moons of Pluto, shown to scale. (Values shown are mean distances from Pluto).
The distant member of the
Sun's family, Pluto pursues
a wildly eccentric orbit, sometimes even coming nearer to the Sun than Neptune.
eSky © copyright Mark Fisher 1999-2021
Surface maps of the
Earth and Moon courtesy Jet Propulsion Laboratory. Copyright © California Institute of Technology, Pasadena, CA. All rights reserved.