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Uranus
(pronounced YOOR un nus)

NOT Your Anus

Distance from the Sun
(Semimajor axis of orbit)
2,870,972,200 km
19.19126393 A.U.

Mean Equatorial Radius
25,559 km
(4.007 of Earth's radius)

Volume (Earth = 1)
52

Mass
86.849 × 1027 g

Density
1.30 gm/cm3

Gravity
869 cm/s2

Escape Velocity
21.29 km/s

Sidereal Rotation Period (Earth days)
0.71833 (retrograde)

Sidereal Orbit Period
84.016846 sidereal years

Mean Orbit Velocity
6.8352 km/s

Orbit Eccentricity
0.04716771

Orbit Inclination to Ecliptic
0.76986 degrees

Inclination of Equator to Orbit
97.86 degrees

Atmospheric Temperature (at level with pressure = 1 bar)
76 K

Major Atmospheric Constituents
H2, He, CH4

Natural Satellites
(approximately 21 - see NASA website for complete list)