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Comparison Chart
Comparison: Dione vs. Saturn

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

Discovered By
G.D. Cassini
Known by the Ancients
Date of Discovery
Average Orbit Distance
377,415 km
1,426,666,422 km
Perihelion/Perigee (closest)
376,585 km
1,349,823,615 km
Aphelion/Apogee (farthest)
378,245 km
1,503,509,229 km
Equatorial Radius
561.7 km
58,232 km
Equatorial Circumference
3,529.3 km
365,882.4 km
742,338,322 km3
827,129,915,150,897 km3
1,095,745,430,185,280,000,000 kg
568,319,000,000,000,000,000,000,000 kg
1.476 g/cm3
0.687 g/cm3
Surface Area
3,964,776.51 km2
42,612,133,285 km2
Equatorial Surface Gravity
0.232 m/s2
10.4* m/s2
Escape Velocity
0.510228649 km/h
129,924 km/h
Orbit Period (Length of Year)
0.007493498 sidereal years
29.447498 sidereal years
Mean Orbit Velocity
36,100.4 km/h
34,701 km/h
Orbit Eccentricity
Orbit Inclination to Ecliptic
0.028 degree
2.49 degrees
Orbit Circumference
2,371,365.51 km
8,957,504,604 km


New planets/moons to compare:

System of measurement:

Compare All Eight Planets

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Last Updated: 3 Aug 2014