Pluto

SI Units
Earth Relative
Radius (Equatorial)
1,151,000 m
0.18 x Earth
Mass
1.29 x 1022 kg
0.0021 x Earth
Temperature (Surface Mean)
37 K (-236°C)
Gravity
0 .81 ms-2
0.059 g
Escape Velocity
1,100 ms-1
Axis Tilt
122.5°
Distance from Sun (Semi-Major)
5.9063762 x 1012 m
39.48 AU
Orbital Period
247.92 Earth Years
Rotational Period
6.39 Earth Days (retrograde)
Number of Moons
3: Charon (large), Nix and Hydra
Atmosphere
Perhaps Methane and Nitrogen
Rings
-
Missions to Pluto
New Horizons

SI Units
Earth Relative
Radius (Equatorial)
1,151,000 m
0.18 x Earth
Mass
1.29 x 1022 kg
0.0021 x Earth
Temperature (Surface Mean)
37 K (-236°C)
Gravity
0 .81 ms-2
0.059 g
Escape Velocity
1,100 ms-1
Axis Tilt
122.5°
Distance from Sun (Semi-Major)
5.9063762 x 1012 m
39.48 AU
Orbital Period
247.92 Earth Years
Rotational Period
6.39 Earth Days (retrograde)
Number of Moons
3: Charon (large), Nix and Hydra
Atmosphere
Perhaps Methane and Nitrogen
Rings
-
Missions to Pluto
New Horizons

Nasa Factsheet. Wikipedia Info