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

	Perdita	Uranus
Discovered By	Erich Karkoschka / Voyager 2	William Herschel
Date of Discovery	18 May 1999 (verified in Voyager 2 images dating back to January 18, 1986)	13 March 1781
Average Orbit Distance	76,417 km	2,870,658,186 km
Perihelion/Perigee (closest)	75,531 km	2,734,998,229 km
Aphelion/Apogee (farthest)	77,303 km	3,006,318,143 km
Equatorial Radius	15 ± 3 km	25,362 km
Mean Orbit Velocity	31,356.2 km/h	24,477 km/h
Orbit Eccentricity	0.0116	0.04725744
Orbit Inclination to Ecliptic	0.47	0.77 degrees
Orbit Circumference	480,126.02 km	18,026,802,831 km