What distinguishes the orbital period of an Oort Cloud comet from a Kuiper Belt object?
Answer
Oort Cloud comets take thousands or millions of years, while Kuiper Belt objects are usually less than 200 years
Comets originating from the Kuiper Belt typically have orbital periods under 200 years, while those sourced from the Oort Cloud require significantly longer times, often thousands or millions of years, to complete one orbit.

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The Oort Cloud - YouTube
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