Uranus

Uranus is the 7th planet in the Solar System. It is unusual in that its axis of rotation as almost at right angles to its orbital plane.

Orbital Parameters

Minimum Distance from Sun 2735 million km

18.275 AU

Mean Distance from Sun 2869.6 million km

19.181 AU

Maximum Distance from Sun 3004 million km

20.088 AU

Sidereal Period (year) 84.01 Earth-years

30,684.9 Earth-days

Synodic Period 369.7 Earth-days
Rotational Period (day) 17.24 Earth-hours
Mean Orbital Velocity 6.80 km/sec
Orbital Inclination 0º 46' 22.8"
Axial inclination 98º

Physical Parameters

Equatorial Diameter 51,118 kilometres
Polar Diameter 49,946 kilometres
Oblateness 0.24
Mass 14.6 x Earth
Volume 67 x Earth
Density 1.27 x (the density of water)
Surface Gravity 1.17 x Earth
Escape Velocity 22.5 kilometres per second
Albedo 0.35
Mean cloudtop temperature -214ºC

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