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Galilean Moons of JupiterThe planet Jupiter’s four largest moons, or satellites, are called the Galilean moons, after Italian astronomer Galileo Galilei, ho observed them in 1610. The German astronomer Simon Marius apparently discovered.
- Jupiter - NASA Jet Propulsion Laboratory (JPL)
the Galileo spacecraft indicate that Jupiter’s ring system...
- Jupiter - NASA Jet Propulsion Laboratory (JPL)
The table below lists the moons of Jupiter in increasing order of distance from Jupiter. The table also lists the name of each moon, the year it was discovered, its distance from Jupiter, its orbital period, and its radius.
the Galileo spacecraft indicate that Jupiter’s ring system may be formed by dust kicked up as interplanetary meteoroids smash into the giant planet’s four small inner moons. The main ring probably is composed of material from the moon Metis. Jupiter’s rings are only visible when backlit by the Sun.
Many of Jupiter’s outer moons have highly elliptical orbits and orbit “backwards” (opposite to the spin of the planet). Saturn, Uranus, and Neptune also have some “irregular” moons, which orbit far from their respective planets. Saturn has 53 known moons (plus 9 awaiting official confirma-tion).
replenish and maintain Jupiter's faint ring system – Metis and Adrastea helping Jupiter's main ring, while Amalthea and Thebe maintain their own faint outer rings.
21 Αυγ 2023 · All Moons of Jupiter. Most of Jupiter's swarms of smaller moons orbit much farther out than the Galilean satellites. Of these distant moons, the larger ones may be captured asteroids. The smaller ones are likely fragments from massive collisions.
A montage of Jupiter and its four largest moons (distance and sizes not to scale) There are 95 moons of Jupiter with confirmed orbits as of 5 February 2024. [1] [note 1] This number does not include a number of meter-sized moonlets thought to be shed from the inner moons, nor hundreds of possible kilometer-sized outer irregular moons that were only briefly captured by telescopes. [4]
