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Comparison Chart
Comparison: S/2003 J9 vs. Jupiter

This chart shows the differences between S/2003 J9 and Jupiter. To change the planets/moons being compared, change one or more of the form fields at the bottom and click Refresh.

Discovered By
Scott Sander Sheppard
Known by the Ancients
Date of Discovery
February 2003
Average Orbit Distance
23,385,000 km
778,340,821 km
Perihelion/Perigee (closest)
17,209,022 km
740,679,835 km
Aphelion/Apogee (farthest)
29,560,979 km
816,001,807 km
Equatorial Radius
0.5 (assuming an albedo of 0.04) km
69,911 km
Equatorial Circumference
3.1 km
439,263.8 km
1 km3
1,431,281,810,739,360 km3
1,498,668,433,097 kg
1,898,130,000,000,000,000,000,000,000 kg
2.6 g/cm3
1.326 g/cm3
Surface Area
3.14 km2
61,418,738,571 km2
Equatorial Surface Gravity
0.0004 m/s2
24.79 m/s2
Escape Velocity
2 km/h
216,720 km/h
Orbit Period (Length of Year)
2.007693361 sidereal years
11.862615 sidereal years
Mean Orbit Velocity
8,201.2 km/h
47,002 km/h
Orbit Eccentricity
Orbit Inclination to Ecliptic
1.304 degrees
Orbit Circumference
144,335,680.97 km
4,887,595,931 km


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System of measurement:

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Last Updated: 25 Mar 2015