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2013 FT28

2013 FT28 is a trans-Neptunian object. The existence of the TNO was discovered on 16 March 2013 at Cerro Tololo Observatory, La Serena and revealed on 30 August 2016.[2]

2013 FT28 is the first high semi-major axis, high perihelion extreme trans-Neptunian object that is anti-aligned with the other known extreme trans-Neptunian objects such as Sedna and 2012 VP113, i.e. its longitude of perihelion differs by 180° from other objects. The orbit of 2013 FT28 appears stable though simulations showed that it may have some resonant interaction with the known giant planets.[3]

Its argument of perihelion is similar to that of another TNO, 2015 KG163.

Closeup of current position near perihelion, passing downward from the upper left of this view

References

  1. ^ a b c Horizons output. "Barycentric Osculating Orbital Elements for 2013 FT28". Retrieved 8 February 2017. (Ephemeris Type:Elements and Center:@0)
  2. ^ "New Solar System objects revealed". bbcnews. 30 August 2016. Retrieved 19 February 2017.
  3. ^ Sheppard, Scott S.; Trujillo, Chadwick (2016). "New Extreme Trans-Neptunian Objects: Towards a Super-Earth in the Outer Solar System". The Astronomical Journal. 155 (6): 221. arXiv:1608.08772. Bibcode:2016AJ....152..221S. doi:10.3847/1538-3881/152/6/221. S2CID 119187392.

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