Amalthea orbits this planet within the orbit of Io, which is the innermost of the planet’s four largest moons.
It lacks the mass to become a sphere, and with a radius of only 84 kilometers, it takes 0.498 Earth days to orbit.
When Juno acquired the first of two images, Amalthea was about 265,000 kilometers above Jupiter’s cloud tops, at a latitude about five degrees north of the equator.
In addition, the researchers retouched the photos using raw data from the JunoCam instrument and used processing techniques to improve the clarity of the images.
According to a report by the US National Aeronautics and Space Administration (NASA), it is the reddest object in the solar system and observations suggest that it emits more heat than it receives from the Sun.
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