publication . Article . Preprint . 2017

Discovery and physical characterization of a large scattered disk object at 92 au

L. Zullo; Tian Li; Tian Li; M. Carrasco Kind; Felipe Menanteau; F. Sobreira; G. Tarle; B. Flaugher; J. Gschwend; Douglas L. Tucker; ...
Open Access English
  • Published: 12 Apr 2017
  • Publisher: HAL CCSD
We report the observation and physical characterization of the possible dwarf planet \UZ\ ("DeeDee"), a dynamically detached trans-Neptunian object discovered at 92 AU. This object is currently the second-most distant known trans-Neptunian object with reported orbital elements, surpassed in distance only by the dwarf planet Eris. The object was discovered with an $r$-band magnitude of 23.0 in data collected by the Dark Energy Survey between 2014 and 2016. Its 1140-year orbit has $(a,e,i) = (109~\mathrm{AU}, 0.65, 26.8^{\circ})$. It will reach its perihelion distance of 38 AU in the year 2142. Integrations of its orbit show it to be dynamically stable on Gyr time...
arXiv: Astrophysics::Earth and Planetary AstrophysicsAstrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: infrared: planetary systems, Kuiper belt: general, methods: observational, techniques: photometric, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], infrared: planetary systems; Kuiper belt: general; methods: observational; techniques: photometric, Space and Planetary Science, Astronomy and Astrophysics, Astrophysics - Earth and Planetary Astrophysics, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], uploaded-in-3-months-elsewhere, Sistemas planetários, Kuiper, Cinturão de, Fotometria - Técnica, Planetary systems, Kuiper Belt, Photometry - Technique, QB, Orbit, Dark energy, Astronomy, Dwarf planet, Eris, biology.organism_classification, biology, Orbital elements, Astrophysics, Neptune, Physics, Magnitude (mathematics), Albedo
Related Organizations
Funded by
NSF| Collaborative Research: Characterizing the Trans-Neptunian Solar System with the Dark Energy Survey
  • Funder: National Science Foundation (NSF)
  • Project Code: 1515015
NSF| Collaborative Research: The Dark Energy Survey Data Management Operations
  • Funder: National Science Foundation (NSF)
  • Project Code: 1138766
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
NSF| Collaborative Research: Characterizing the Trans-Neptunian Solar System with the Dark Energy Survey
  • Funder: National Science Foundation (NSF)
  • Project Code: 1515804
Capitalizing on Gravitational Shear
  • Funder: European Commission (EC)
  • Project Code: 240672
  • Funding stream: FP7 | SP2 | ERC
NSF| Graduate Research Fellowship Program (GRFP)
  • Funder: National Science Foundation (NSF)
  • Project Code: 1256260
  • Funding stream: Directorate for Education & Human Resources | Division of Graduate Education
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