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Comparison Chart
Comparison: Uranus vs. Earth

This chart shows the differences between Uranus and Earth. To change the planets/moons being compared, change one or more of the form fields at the bottom and click Refresh.

Discovered By
William Herschel
Known by the Ancients
Date of Discovery
13 March 1781
Average Orbit Distance
2,870,658,186 km
149,598,262 km
Perihelion (closest)
2,734,998,229 km
147,098,291 km
Aphelion (farthest)
3,006,318,143 km
152,098,233 km
Equatorial Radius
25,362 km
6,371.00 km
Equatorial Circumference
159,354.1 km
40,030.2 km
68,334,355,695,584 km3
1,083,206,916,846 km3
86,810,300,000,000,000,000,000,000 kg
5,972,190,000,000,000,000,000,000 kg
1.270 g/cm3
5.513 g/cm3
Surface Area
8,083,079,690 km2
510,064,472 km2
Equatorial Surface Gravity
8.87 m/s2
9.80665 m/s2
Escape Velocity
76,968 km/h
40,284 km/h
Rotation Period (Length of Day)
-0.718 sidereal days (retrograde)
0.99726968 sidereal days
Orbit Period (Length of Year)
84.016846 sidereal years
1.0000174 sidereal years
Mean Orbit Velocity
24,477 km/h
107,218 km/h
Orbit Eccentricity
Orbit Inclination to Ecliptic
0.77 degrees
0.00005 degrees
Equatorial Inclination to Orbit
97.8 degrees (retrograde rotation)
23.4393 degrees
Orbit Circumference
18,026,802,831 km
939,887,974 km
Atmospheric Constituents
Hydrogen, Helium, Methane
Nitrogen, Oxygen


New planets/moons to compare:

System of measurement:

Compare All Eight Planets

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Last Updated: 28 Apr 2014