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Moon of Saturn

Mimas

Mean radius198.2 km
Orbit (semi-major axis)186,000 km
Orbital period0.942 days

The smallest of Saturn's major round moons in JPL's table, circling Saturn in under a day.

Radius and orbit from JPL Solar System Dynamics satellite tables.

Sources

  1. JPL Solar System Dynamics, Planetary Satellite Physical Parameters
  2. JPL Solar System Dynamics, Planetary Satellite Mean Elements
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