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Comparison Chart
Comparison: Ophelia vs. Uranus

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

Discovered By
R. Terrile, Voyager 2
William Herschel
Date of Discovery
13 March 1781
Average Orbit Distance
53,800 km
2,870,658,186 km
Perihelion/Perigee (closest)
53,267 km
2,734,998,229 km
Aphelion/Apogee (farthest)
54,333 km
3,006,318,143 km
Equatorial Radius
21.4 km
25,362 km
Equatorial Circumference
134.5 km
159,354.1 km
41,052 km3
68,334,355,695,584 km3
53,952,063,591,499,000 kg
86,810,300,000,000,000,000,000,000 kg
1.3 g/cm3
1.270 g/cm3
Surface Area
5,754.90 km2
8,083,079,690 km2
Equatorial Surface Gravity
0.008 m/s2
8.87 m/s2
Escape Velocity
66 km/h
76,968 km/h
Orbit Period (Length of Year)
0.001029432 sidereal years
84.016846 sidereal years
Mean Orbit Velocity
37,458.7 km/h
24,477 km/h
Orbit Eccentricity
Orbit Inclination to Ecliptic
0.104 degree
0.77 degrees
Orbit Circumference
338,027.09 km
18,026,802,831 km


New planets/moons to compare:

System of measurement:

Compare All Eight Planets

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Last Updated: 28 Apr 2014