Thinkquest 2001

Game

Pluto
Welcome to The Planet of Pluto.

Information about Pluto
Mass
kg 1.29 x 10^22
Diameter
km 1,430 mi.(2300 km.)
Mean Density
kg/m^3 2030
Escape Velocity m/sec 1100
Distance from the sun Shortest 2,749,600,000 mi.(4,425,100,000 km)
Greatest 4,582,700,000 mi.(7,375,100,000 km)
Mean 3,666,200,000 mi.(5,900,100,000 km)
Rotation Period (Length of Day) Earth Days 6.39
Revolution Period (Length of Year) Earth Years 247.7
Obliquity (Tilt of Axis)
Degrees 122.5
Orbit Inclination
Degrees 17.15
Orbit Eccentricity
Deviation From Circular 0.248
Mean Surface Temperature
Fahrenheit -387 to -369 (-233 C to -223 C)
Visual Geometric Albedo
Reflectivity about 0.5
Atmospheric Components perhaps methane(CO4), and nitrogen(N)
Rings perhaps methane ice
Number of Satellites 1

Interesting Facts
An 11 year old British girl named Venetia Burney named Pluto
Pluto is about 2/3 the diameter of our moon
Pluto is 1/455 the mass of Earth
Pluto has a methane atmosphere about 1/900 as dense as Earth
Its surface consists largely of frozen nitrogen
It is thougt to have a rocky, silicate core; its thin atmosphere contains methane
Charon is about half the size of Pluto
Pluto is usually the outermost planet, but its elliptical orbit causes it to pass inside the orbit of Neptune for 20 years of its 248 year orbit.