Orbital Resonance

Dynamic relationship between bodies in heliocentric orbits in which a small body has an orbital period that is a simple fraction of a nearby larger body such as Asteroid Belt objects and Jupiter. The periodic gravitational tug of the large body induces changes in the orbit of the smaller body that over time can sometimes cause the smaller body to be pulled into the larger body. Orbital resonance is the mechanism that is responsible for the Kirkwood Gaps.

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