This is an image of Pluto compared with that of the Earth.
Image from: NASA
A Comparison of Pluto and the Earth.
This is an image of Pluto compared with that of the Earth. Pluto, the outermost planet in the solar system, is the smallest planet in the solar system, much smaller than Earth, and probably made of ice. The table below gives a comparison of characteristics of Pluto relative to Earth values.
|
Characteristic
|
Relative to Earth
(Earth = 1)
|
Absolute Value
|
|
Mass
|
0.0022
|
1.29x10**25
|
|
Radius
|
0.18
|
1,150 km (?)
|
|
Mean Density
|
-----
|
2 g/cm**3 (?)
|
|
Rotation Period
|
6.8 Earth days
|
-----
|
Mean Orbital
Distance
|
39 AU
|
5,9130 x 10**9 km
3 billion miles
|
|
Orbital Period
|
248 Earth years
|
-----
|
|
Orbital eccentricity
|
-----
|
0.248
|
Inclination to
ecliptic (degrees)
|
-----
|
17.14
|
|
Temperature
|
-----
|
-350F
|
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