Planet X Battle

(Ignoren que esta en ingles) Jupiter was banished from the solar system for something it did a long time ago. The moons are trying to convince the sun to let Jupiter return. The sun sets a series of challenges. If the moons win, Jupiter returns and X leaves. But if X wins, Jupiter doesn't return and X remains in Jupiter's orbit. Characters:Mercury, Sun, Venus, Earth, Mars, Saturn, Jupiter, Uranus (which wants to be called Caelus because X convinced him), Neptune, Moon, Ganymede, Io, Callisto, Metis, Europa, among other moons