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Pluto
PlutoSol 9
Pluto
Distance
from the Sun
  mil km5,913.52
  mil miles3666
Orbital Period
(length of year)
  Earth days90,800
  Earth years 248.6
Local Days per Year  
rotations per orbit  
...
Length of day  
in Earth Time  
6.3867 days
Axial Tilt   122.52�
Orbital Inclination  
from Earth's orbit  
17.148�
Orbital Eccentricity  
from circular  
0.2482
Sidereal Rotation  
in Earth days  
-6.3872
Mean Orbital Velocity km/s   4.74
Visual Geometric Albedo .30
Vo or Object's Visible
Magnitude at Opposition
15.12
Mean Radius km     1,137
Mean  
Diameter  

at Equator  
  km2,280
  miles1,429
  x Earth .18
Mass   kg 1.27 e+22
  x Earth.0022
Density (grams per cm3)   2.05
Gravity x Earth   .05 ?
Escape Velocity in km per sec   1.2183
Pluto, the god of the underworld. The ninth planet out from the sun is a rogue, and considered by some to not even be a planet. Pluto's orbit is eccentric, tilted about 17� from the Planetary Disk (the plane on which all other planets orbit the sun); and elliptical, its solar distance varying by almost 50% - Pluto is closer to the Sun than Neptune fir about 20% of its year.

Pluto has one moon, Charon, locked in a mutually geosynchronous orbit - that is, they always show the same face to each other, just like how we only ever see one side of our own moon (this is most likely a magnetic attraction). As, from our moon, the Earth is always in the same part of the Lunar sky; such is the view from these worlds, of their nearest neighbor. From Pluto, the Sun at high noon is only as bright as it is on Earth at about a half hour after sunset - still the brightest star in its sky, but there are many close contenders, like a stray comet.




Pluto Charon


The Solar System
The SunMercuryVenusEarthMars
The Asteroid BeltJupiterSaturnUranusNeptunePluto