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

	Saturn	Earth
Discovered By	Known by the Ancients	Known by the Ancients
Date of Discovery	Unknown	Unknown
Average Orbit Distance	1,426,725,400 km	149,597,890 km
Perihelion (closest)	1,349,467,000 km	147,100,000 km
Aphelion (farthest)	1,503,983,000 km	152,100,000 km
Equatorial Radius	60,268 km	6,378.14 km
Equatorial Circumference	378,675 km	40,075 km
Volume	827,130,000,000,000 km3	1,083,200,000,000 km3
Mass	568,510,000,000,000,000,000,000,000 kg	5,973,700,000,000,000,000,000,000 kg
Density	0.70 g/cm3	5.515 g/cm3
Surface Area	43,466,000,000 km2	510,065,700 km2
Equatorial Surface Gravity	10.4* m/s2	9.766 m/s2
Escape Velocity	127,760 km/h	40,248 km/h
Rotation Period (Length of Day)	0.44401 sidereal days	0.99726968 sidereal days
Orbit Period (Length of Year)	29.4 sidereal years	1.0000174 sidereal years
Mean Orbit Velocity	34,821 km/h	107,229 km/h
Orbit Eccentricity	.0541506	0.01671022
Orbital Inclination to Ecliptic	2.484 degrees	0.00005 degrees
Equatorial Inclination to Orbit	26.73 degrees	23.45 degrees
Orbital Circumference	8,725,000,000 km	924,375,700 km
Atmospheric Constituents	Hydrogen, Helium	Nitrogen, Oxygen

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