The eccentricity of Pan's orbit causes its distance from Saturn to vary by ~4 km.  Its inclination, which would cause it to move up and down, is not distinguishable from zero with present data.  The Encke Gap, within which Pan orbits, is about 325 km wide.
The eccentricity of Pan's orbit causes its distance from Saturn to vary by ~4 km.  Its inclination, which would cause it to move up and down, is not distinguishable from zero with present data.  The Encke Gap, within which Pan orbits, is about 325 km wide.
潘繞行有什麼特徵導致距離變化？
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