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These are the orbit sizes of two of Jupiter's moons: Io orbit semi-major axis 0.002819 AU (1.87 Jupiter's diameter) Europa orbit semi-major axis 0.004473 AU (2.98 Jupiter's diameter) Io's orbital period is than Europa's and calculating Jupiter's mass using Io's orbit would give you mass of Jupiter compared to using Europa's orbit
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These are the orbit sizes of two of Jupiter's moons: Io orbit semi-major axis 0.002819 AU (1.87 Jupi...
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