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Comparison Chart
Comparison: Helike vs. Jupiter

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.

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

 

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Last Updated: 28 Apr 2014