C/1996 B2 Hyakutake is a long-period comet. Before its most recent passage through the Solar System, its orbital period was about 17,000 years, but the gravitational perturbation of the giant planets has increased this period to 70,000 years. It was the first comet that had X-ray emission.
urn:nasa:pds:context:target:comet.c1996_b2_hyakutake
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