Corpus ID: 55078335

Possible Ursid Outburst on December 22, 2000

@inproceedings{Jenniskens2000PossibleUO,
  title={Possible Ursid Outburst on December 22, 2000},
  author={P. Jenniskens and E. Lyytinen and D. Devincenzi},
  year={2000}
}
The Ursid shower has broad Filament-type outbursts around the perihelion passage of parent 8P/Tuttle, but also isolated narrow outbursts at aphelion. We calculated Tuttle's dust trail encounters in the same way as for the Leonid showers. We discovered that it takes 6 centuries to change the orbit enough to bring the meteoroids to Earth's orbit. During that time, the meteoroids and comet separate in mean anomaly by 6 years, thus explaining the unusual aphelion occurrences. We predict enhanced… Expand
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