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Pluto

Pluto

MeaningGod of Death
Position9
DiscovererClyde Tombaugh
Discovered1930
Length of Day ( hrs )153.282
Distance from Sun ( 10^6Km )5870
Volume (10^10 km3) 0.715
Equatorial Radius 1195
Volumetric Mean Radius1195
Ellipticity0
Mean Density1750
Surface Gravity0.58
Surface Acceleration0.58
Escape Velocity1.1
Orbit Period4.72
Orbit Eccentricity0.2444
Average Temperature-50K/-223C
Surface Pressure-3 microbars
Average Temperature-50K/-223C
AtmosphereMethane (CH4), Nitrogen (N2)
Moon Count1
MoonsCharon
Picture CopyrightN.A.S.A.