What does the frequency of the Leonid meteor storm suggest about comet Tempel-Tuttle?

The Leonid meteor storm is associated with debris left behind by comet Tempel-Tuttle. The storm’s recurring frequency suggests that the comet returns along an orbit that brings its debris into Earth’s path in a repeating cycle. Thus, its orbit crosses Earth’s orbit on a repeating cycle; the frequency does not mean its debris stream is cleared each orbit or that its tail produces debris only for 33 years.

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