Discovery of a New Retrograde Trans-Neptunian Object: Hint of a Common Orbital Plane for Low Semimajor Axis, High-inclination TNOs and Centaurs

@article{Chen2016DiscoveryOA,
  title={Discovery of a New Retrograde Trans-Neptunian Object: Hint of a Common Orbital Plane for Low Semimajor Axis, High-inclination TNOs and Centaurs},
  author={Y. Chen and H. Lin and M. Holman and M. Payne and W. Fraser and P. Lacerda and W. Ip and W. Chen and R. Kudritzki and R. Jedicke and R. Wainscoat and J. Tonry and E. Magnier and C. Waters and N. Kaiser and Shiang-Yu Wang and M. Lehner},
  journal={The Astrophysical Journal},
  year={2016},
  volume={827}
}
Although the majority of Centaurs are thought to have originated in the scattered disk, with the high-inclination members coming from the Oort cloud, the origin of the high-inclination component of trans-Neptunian objects (TNOs) remains uncertain. We report the discovery of a retrograde TNO, which we nickname “Niku,” detected by the Pan-STARRS 1 Outer Solar System Survey. Our numerical integrations show that the orbital dynamics of Niku are very similar to that of 2008 KV42 (Drac), with a half… Expand
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