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AsteriaStar

Moon

Amalthea

Type
Moon
Diameter
167 km

NASA/JPL/Cornell University · NASA media (public domain)

Overview

Scientific overview

Amalthea is a moon orbiting Jupiter.

Physical characteristics

Diameter
167 km
Radius
83.5 km
Density
0.849 g/cm³
Albedo
0.09
Magnitude
14.1

Scale

Compared to Earth

Earth
Amalthea

Amalthea is 76× smaller than Earth

167 km across · Earth is 12,742 km

Gallery

NASA's Juno Mission Spots Jupiter's Tiny Moon Amalthea

NASA's Juno mission captured these views of Jupiter during its 59th close flyby of the giant planet on March 7, 2024.

2024

Image data: NASA/JPL-Caltech/SwRI/MSSS Image processing by Gerald Eichstädt · NASA media (public domain)

Source archive ↗

Observation

How this was captured

Source
NASA
Observation date
2005-05-31

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

  • NASA JPLJet Propulsion Laboratory / Solar System Dynamics

    Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.