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

	Themisto	Jupiter
Discovered By	First time: Charles Thomas Kowal and Elizabeth Roemer Second time: Scott Sander Sheppard, David C. Jewitt, Yanga Roland Fernández and Eugene A. Magnier	Known by the Ancients
Date of Discovery	First time: 30 September 1975 Second time: 6 August 2000	Unknown
Average Orbit Distance	7,507,000 km	778,340,821 km
Perihelion/Perigee (closest)	5,687,303 km	740,679,835 km
Aphelion/Apogee (farthest)	9,326,697 km	816,001,807 km
Equatorial Radius	4.0 (assuming an albedo of 0.04) km	69,911 km
Equatorial Circumference	25.1 km	439,263.8 km
Volume	268 km3	1,431,281,810,739,360 km3
Mass	689,387,479,224,709 kg	1,898,130,000,000,000,000,000,000,000 kg
Density	2.6 g/cm3	1.326 g/cm3
Surface Area	201.06 km2	61,418,738,571 km2
Equatorial Surface Gravity	0.003 m/s2	24.79 m/s2
Escape Velocity	17 km/h	216,720 km/h
Orbit Period (Length of Year)	0.355975359 sidereal years	11.862615 sidereal years
Mean Orbit Velocity	14,891.0 km/h	47,002 km/h
Orbit Eccentricity	0.2424	0.04838624
Orbit Inclination to Ecliptic	43.068	1.304 degrees
Orbit Circumference	46,467,175.95 km	4,887,595,931 km