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Moon of Saturn

Enceladus

Mean radius252.1 km
Orbit (semi-major axis)238,400 km
Orbital period1.37 days

In 2005 Cassini found icy water particles and gas gushing from its surface at about 400 m/s.

Its ice shell may be as thin as 1–5 km at the south pole (NASA).

Sources

  1. NASA Science, Enceladus
  2. JPL Solar System Dynamics, Planetary Satellite Physical Parameters
  3. JPL Solar System Dynamics, Planetary Satellite Mean Elements
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