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Hace 23 horas · List of periodic comets. Periodic comets (also known as short-period comets) are comets with orbital periods of less than 200 years or that have been observed during more than a single perihelion passage [1] (e.g. 153P/Ikeya–Zhang ). "Periodic comet" is also sometimes used to mean any comet with a periodic orbit, even if greater than 200 years.
