Pluto
Position: Ninth from Sun
Distance from Sun: 5,913,520,000 km (39.5 AU)
Plutonian Day: 6.39 Earth Days
Plutonian Year: 247.7 Earth Years
Orbital Speed: 4.74 km/sec
Eccentricity of Orbit: 0.2482
Satellites: 1
Diameter: 2340 km
Mass: 1.32e22 kg
Major Atmospheric Gas: Methane
  • Puto is the smallest planet in our Solar System.
  • Pluto is named after the Greek lord of the underworld, Hades. It's only satellite, Charon, is named after the boatman who ferried the dead across the River Styx to Hades.

Back to CyberAstronomy