National Aeronautics and Space Administration Logo
Follow this link to skip to the main content NASA Banner
Solar System Exploration
Facebook Twitter YouTube Facebook Twitter YouTube Flickr iTunes
Follow Us
Comparison Chart
Comparison: Amalthea vs. Jupiter

This chart shows the differences between Amalthea 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
Edward Emerson Barnard
Known by the Ancients
Date of Discovery
Average Orbit Distance
181,400 km
778,340,821 km
Perihelion/Perigee (closest)
180,820 km
740,679,835 km
Aphelion/Apogee (farthest)
181,980 km
816,001,807 km
Equatorial Radius
83.45 km
69,911 km
Equatorial Circumference
524.3 km
439,263.8 km
2,434,264 km3
1,431,281,810,739,360 km3
2,068,162,437,674,130,000 kg
1,898,130,000,000,000,000,000,000,000 kg
0.849 g/cm3
1.326 g/cm3
Surface Area
87,510.98 km2
61,418,738,571 km2
Equatorial Surface Gravity
0.020 m/s2
24.79 m/s2
Escape Velocity
207 km/h
216,720 km/h
Orbit Period (Length of Year)
0.00136345 Earth years
11.862615 sidereal years
Mean Orbit Velocity
95,362.0 km/h
47,002 km/h
Orbit Eccentricity
Orbit Inclination to Ecliptic
0.38 degrees
1.304 degrees
Orbit Circumference
1,139,766.90 km
4,887,595,931 km


New planets/moons to compare:

System of measurement:

Compare All Eight Planets

Awards and Recognition   Solar System Exploration Roadmap   Contact Us   Site Map   Print This Page
NASA Official: Kristen Erickson
Advisory: Dr. James Green, Director of Planetary Science
Outreach Manager: Alice Wessen
Curator/Editor: Phil Davis
Science Writers: Courtney O'Connor and Bill Dunford
Producer: Greg Baerg
Webmaster: David Martin
> NASA Science Mission Directorate
> Budgets, Strategic Plans and Accountability Reports
> Equal Employment Opportunity Data
   Posted Pursuant to the No Fear Act
> Information-Dissemination Policies and Inventories
> Freedom of Information Act
> Privacy Policy & Important Notices
> Inspector General Hotline
> Office of the Inspector General
> NASA Communications Policy
> NASA Advisory Council
> Open Government at NASA
Last Updated: 25 Mar 2015