Dynamical Classification of Trans-Neptunian Objects Detected by the Dark Energy Survey

Khain, T.; Becker, J. C.; Lin, Hsing Wen; Gerdes, D. W.; Adams, F. C.; Bernardinelli, P.; Bernstein, G. M.; Franson, K.; Markwardt, L.; Hamilton, S.; Napier, K.; Sako, M.; Abbott, T. M.  C.; Avila, S.; Bertin, E.; Brooks, D.; Buckley-Geer, E.; Burke, D. L.; Carnero Rosell, A.; Carrasco Kind, M.; Carretero, J.; Costa, L. N.  da; Vicente, J. De; Desai, S.; Diehl, H. T.; Doel, P.; Flaugher, B.; Frieman, J.; García-Bellido, J.; Gaztanaga, E.; Gruen, D.; Gruendl, R. A.; Gschwend, J.; Gutierrez, G.; Hollowood, D. L.; Honscheid, K.; James, D. J.; Kuropatkin, N.; Maia, M. A.  G.; Marshall, J. L.; Menanteau, F.; Miller, C. J.; Miquel, R.; Plazas, A. A.; Sanchez, E.; Scarpine, V.; Schubnell, M.; Sevilla-Noarbe, I.; Smith, M.; Sobreira, F.; Suchyta, E.; Swanson, M. E.  C.; Tarle, G.; Walker, A. R.; Wester, W.

doi:10.3847/1538-3881/ab7002

Title: Dynamical Classification of Trans-Neptunian Objects Detected by the Dark Energy Survey

Journal Article · Fri Feb 28 00:00:00 EST 2020 · The Astronomical Journal (Online)

DOI:https://doi.org/10.3847/1538-3881/ab7002· OSTI ID:1597061

;

; Bernstein, G. M.;

;

; Napier, K.;

; Abbott, T. M. C.; Avila, S.; Bertin, E.;

; Buckley-Geer, E.;

; Carnero Rosell, A.;

The outer Solar System contains a large number of small bodies (known as trans-Neptunian objects or TNOs) that exhibit diverse types of dynamical behavior. The classification of bodies in this distant region into dynamical classes -- sub-populations that experience similar orbital evolution -- aids in our understanding of the structure and formation of the Solar System. In this work, we propose an updated dynamical classification scheme for the outer Solar System. This approach includes the construction of a new (automated) method for identifying mean-motion resonances. We apply this algorithm to the current dataset of TNOs observed by the Dark Energy Survey (DES) and present a working classification for all of the DES TNOs detected to date. Our classification scheme yields 1 inner centaur, 19 outer centaurs, 21 scattering disk objects, 47 detached TNOs, 48 securely resonant objects, 7 resonant candidates, and 97 classical belt objects. Among the scattering and detached objects, we detect 8 TNOs with semi-major axes greater than 150 AU.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Univ. of Michigan, Ann Arbor, MI (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP); National Aeronautics and Space Administration (NASA); National Science Foundation (NSF); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)

Contributing Organization:: The Dark Energy Survey Collaboration

Grant/Contract Number:: AC02-07CH11359; NNX17AF21G; DGE 1256260; AST-1138766; AST-1536171; AC02-76SF00515; AC05-00OR22725; SC0019193

OSTI ID:: 1597061

Alternate ID(s):: OSTI ID: 1608294; OSTI ID: 1659592; OSTI ID: 1785524

Report Number(s):: arXiv:2001.06060; FERMILAB-PUB-20-020-A-AD-AE-SCD; oai:inspirehep.net:1776265; TRN: US2102989

Journal Information:: The Astronomical Journal (Online), Vol. 159, Issue 4; ISSN 1538-3881

Publisher:: IOP Publishing - AAASCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 12 works

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