02-03-2006, 03:19 PM
Planet Profile
Mass (kg)............................................1.29 x 1022
Diameter (km)........................................2300
Mean density (kg/m3) ...............................2030
Escape velocity (m/sec)..............................1100
Average distance from Sun (AU).......................39.53
Rotation period (length of day) (in Earth days)......6.39
Revolution period (length of year) (in Earth years)..247.7
Obliquity (tilt of axis) (degrees)...................122.5
Orbit inclination (degrees)..........................17.15
Orbit eccentricity...................................0.248
Mean temperature (K).................................37
Visual geometric albedo..............................about 0.5
Atmospheric components...............................perhaps
methane and
nitrogen
Surface materials....................................perhaps
methane ice
Mass (kg)............................................1.29 x 1022
Diameter (km)........................................2300
Mean density (kg/m3) ...............................2030
Escape velocity (m/sec)..............................1100
Average distance from Sun (AU).......................39.53
Rotation period (length of day) (in Earth days)......6.39
Revolution period (length of year) (in Earth years)..247.7
Obliquity (tilt of axis) (degrees)...................122.5
Orbit inclination (degrees)..........................17.15
Orbit eccentricity...................................0.248
Mean temperature (K).................................37
Visual geometric albedo..............................about 0.5
Atmospheric components...............................perhaps
methane and
nitrogen
Surface materials....................................perhaps
methane ice
................