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Amalthea

[Image of Jupiter's Inner Moons]

Mean Radius:
67 x 131 km

Mass:
7.17x1018 kg

Orbital Period:
0.498 Earth days

Rotation Period:
0.498 Earth days

Orbit:
181,300 km from Jupiter

Amalthea one of the four inner moons of Jupiter. The other inner moons are Thebe, Adastra, and Metis. The image to the left shows the moons to scale with each other, from top to bottom they are Metis, Adastra, Amalthea, and Thebe.

Web Pages with Information about Amalthea

Astrogeology Research Program

Browse the Solar System: Interactive version of our popular poster Mapping the Solar System
Browse the Geologic Solar System: Interactive version of our popular poster Geology of the Solar System
Gazetteer of Planetary Nomenclature: Information about and access to the official International Astromical Union approved names for planetary features
Cartographic Coordinates and Rotational Elements of the Planets and Satellites - IAU Working Group: IAU CCRE Working Group, information, publications, and references, including tables of the accepted values for the size, shape, and rotations of the planets and satellites
NASA Planetary Photojournal: Images from various Solar System exploration programs

Other Web Sites