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    Ganymedeball is a moonball of Jupiterball. It is the biggest moon in the solar system and can into magnetosphere. It is also one of the most likely objects in the solar system to have life due to having a magnetic field that protects it from Jupiter's radiation belts and is likely to have a subsurface ocean like Europa. It's distance from the Sun however, is an issue.

    Composition He posseses a small metallic core and large amounts of water ice, making him less dense than most other objects in the solar system. He is larger in size than the planet Mercuryball at 5268 kilometers in diameter but is only half the mass due to his low density. Despite this, Ganymede is the most massive moon in the Solar System, having about 3% the mass of Earth.

    Orbit - Rotation[edit]

    Ganymedeball orbits around Jupiterball every 7.16 days, at a distance of just over a million kilometers. It has an extremely low eccentricity of 0.001, having among the lowest eccentricities of any object in the Solar System. He is in a 4:1 resonance with Io and a 2:1 resonance with Europa. Ganymedeball is tidally locked to Jupiterball, meaning the same side of Ganymede ball will always face his father, and that his rotational period is also exactly 7.16 days.


    • Jupiterball - I orbit you
    • Europaball - I also have water under my surface!
    • (Calisto image unknown) - all the moons of Jupiter well major moons
    • Titanball - having an atmosphere or ice volcanos dosent make you superior if i crash into you, you will be destroyed but i will survive so shut up TI TAN



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