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When thinking about escaping a moon most people use the moon's 2 body escape velocity, sqrt(2GM/r). However reaching the edge of the moon's Hill Sphere can be sufficient. The Saturn Mimas L1 (SML1) is at an altitude of about 332 kilometers. In a 2 body scenario it would take .14 km/s to get an apo-apsis altitude of 332 kilometers. However tidal forces tend ...


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