2015_RY245

<span class="nowrap">2015 RY<sub>245</sub></span>

2015 RY245

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2015 RY245, also known as o5s13, is a trans-Neptunian object from the scattered disc of the outermost reaches of the Solar System, approximately 78 kilometers in diameter. It was discovered on 9 September 2015, by the Outer Solar System Origins Survey using the Canada–France–Hawaii Telescope at Mauna Kea Observatories, Hawaii, United States.[2]

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It is one a small number of detached objects with perihelion distances of 30 AUs or more, and semi-major axes of 200 AU or more.[5] Such objects can not reach such orbits without some perturbing object, which lead to the speculation of planet nine.

References

  1. [1]
    "JPL Small-Body Database Browser: (2015 RY245)" (2017-01-02 last obs.). Jet Propulsion Laboratory. Retrieved 2 August 2017.
  2. [2]
    "2015 RY245". Minor Planet Center. Retrieved 2 August 2017.
  3. [3]
    Shankman, Cory; et al. (2017). "OSSOS. VI. Striking Biases in the Detection of Large Semimajor Axis Trans-Neptunian Objects". The Astronomical Journal. 154 (2): 50. arXiv:1706.05348. Bibcode:2017AJ....154...50S. doi:10.3847/1538-3881/aa7aed. hdl:10150/625487. S2CID 3535702.
  4. [4]
    "List of Known Trans-Neptunian Objects". Johnston's Archive. 22 July 2017. Retrieved 2 August 2017.
  5. [5]
    minorplanetcenter.net: q>30, a>200


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