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

	Janus	Saturn
Discovered By	Audouin Dollfus	Known by the Ancients
Date of Discovery	1966	Unknown
Average Orbit Distance	151,460 km	1,426,666,422 km
Perihelion/Perigee (closest)	150,430 km	1,349,823,615 km
Aphelion/Apogee (farthest)	152,490 km	1,503,509,229 km
Equatorial Radius	89.5 km	58,232 km
Equatorial Circumference	562.3 km	365,882.4 km
Volume	3,003,016 km3	827,129,915,150,897 km3
Mass	1,892,818,231,001,750,000 kg	568,319,000,000,000,000,000,000,000 kg
Density	0.63 g/cm3	0.687 g/cm3
Surface Area	100,659.77 km2	42,612,133,285 km2
Equatorial Surface Gravity	0.016 m/s2	10.4* m/s2
Escape Velocity	191 km/h	129,924 km/h
Mean Orbit Velocity	57,052.8 km/h	34,701 km/h
Orbit Eccentricity	0.0068	0.05386179
Orbit Inclination to Ecliptic	0.163 degree	2.49 degrees
Orbit Circumference	951,640.25 km	8,957,504,604 km