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

	Helike	Jupiter
Discovered By	Scott Sander Sheppard	Known by the Ancients
Date of Discovery	6 February 2003	Unknown
Average Orbit Distance	21,064,000 km	778,340,821 km
Perihelion/Perigee (closest)	17,973,911 km	740,679,835 km
Aphelion/Apogee (farthest)	24,154,089 km	816,001,807 km
Equatorial Radius	2.0 (assuming an albedo of 0.04) km	69,911 km
Equatorial Circumference	12.6 km	439,263.8 km
Volume	34 km3	1,431,281,810,739,360 km3
Mass	89,920,105,985,832 kg	1,898,130,000,000,000,000,000,000,000 kg
Density	2.6 g/cm3	1.326 g/cm3
Surface Area	50.27 km2	61,418,738,571 km2
Equatorial Surface Gravity	0.002 m/s2	24.79 m/s2
Escape Velocity	9 km/h	216,720 km/h
Orbit Period (Length of Year)	1.714770705 sidereal years	11.862615 sidereal years
Mean Orbit Velocity	8,757.1 km/h	47,002 km/h
Orbit Eccentricity	0.1467	0.04838624
Orbit Inclination to Ecliptic	154.621	1.304 degrees
Orbit Circumference	131,634,048.78 km	4,887,595,931 km