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

	Helene	Saturn
Discovered By	P. Laques, J. Lecacheus	Known by the Ancients
Date of Discovery	1 March 1980	Unknown
Average Orbit Distance	377,420 km	1,426,666,422 km
Perihelion/Perigee (closest)	374,740 km	1,349,823,615 km
Aphelion/Apogee (farthest)	380,100 km	1,503,509,229 km
Equatorial Radius	17.6 km	58,232 km
Equatorial Circumference	110.6 km	365,882.4 km
Volume	22,836 km3	827,129,915,150,897 km3
Mass	11,389,880,091,538,700 kg	568,319,000,000,000,000,000,000,000 kg
Density	0.5 g/cm3	0.687 g/cm3
Surface Area	3,892.56 km2	42,612,133,285 km2
Equatorial Surface Gravity	0.002 m/s2	10.4* m/s2
Escape Velocity	33 km/h	129,924 km/h
Mean Orbit Velocity	36,100.5 km/h	34,701 km/h
Orbit Eccentricity	0.0071	0.05386179
Orbit Inclination to Ecliptic	0.213 degree	2.49 degrees
Orbit Circumference	2,371,369.91 km	8,957,504,604 km