2011 HM102

Discovery of a high-inclination L5 neptune trojan in the search for a post-pluto new horizons target

Alex H. Parker, Marc W. Buie, David J. Osip, Stephen D J Gwyn, Matthew J. Holman, David M. Borncamp, John R. Spencer, Susan D. Benecchi, Richard P. Binzel, Francesca E. Demeo, Sébastian Fabbro, Cesar I. Fuentes, Pamela L. Gay, J. J. Kavelaars, Brian A. McLeod, Jean Marc Petit, Scott S. Sheppard, S. Alan Stern, David J. Tholen, David E Trilling & 3 others Darin A. Ragozzine, Lawrence H. Wasserman, The Ice Hunters

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We present the discovery of a long-term stable L5 (trailing) Neptune Trojan in data acquired to search for candidate trans-Neptunian objects for the New Horizons spacecraft to fly by during an extended post-Pluto mission. This Neptune Trojan, 2011 HM102, has the highest inclination (29.°4) of any known member of this population. It is intrinsically brighter than any single L5 Jupiter Trojan at HV 8.18. We have determined its gri colors (a first for any L5 Neptune Trojan), which we find to be similar to the moderately red colors of the L4 Neptune Trojans, suggesting similar surface properties for members of both Trojan clouds. We also present colors derived from archival data for two L4 Neptune Trojans (2006 RJ103 and 2007 VL305), better refining the overall color distribution of the population. In this document we describe the discovery circumstances, our physical characterization of 2011 HM102, and this object's implications for the Neptune Trojan population overall. Finally, we discuss the prospects for detecting 2011 HM102 from the New Horizons spacecraft during its close approach in mid- to late-2013.

Original languageEnglish (US)
Article number96
JournalAstronomical Journal
Volume145
Issue number4
DOIs
StatePublished - Apr 2013

Fingerprint

Pluto (planet)
Pluto
Neptune (planet)
Neptune
inclination
horizon
color
spacecraft
trans-Neptunian objects
refining
Jupiter (planet)
Jupiter
surface properties

Keywords

  • asteroids: general
  • minor planets

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Parker, A. H., Buie, M. W., Osip, D. J., Gwyn, S. D. J., Holman, M. J., Borncamp, D. M., ... Hunters, T. I. (2013). 2011 HM102: Discovery of a high-inclination L5 neptune trojan in the search for a post-pluto new horizons target. Astronomical Journal, 145(4), [96]. https://doi.org/10.1088/0004-6256/145/4/96

2011 HM102 : Discovery of a high-inclination L5 neptune trojan in the search for a post-pluto new horizons target. / Parker, Alex H.; Buie, Marc W.; Osip, David J.; Gwyn, Stephen D J; Holman, Matthew J.; Borncamp, David M.; Spencer, John R.; Benecchi, Susan D.; Binzel, Richard P.; Demeo, Francesca E.; Fabbro, Sébastian; Fuentes, Cesar I.; Gay, Pamela L.; Kavelaars, J. J.; McLeod, Brian A.; Petit, Jean Marc; Sheppard, Scott S.; Stern, S. Alan; Tholen, David J.; Trilling, David E; Ragozzine, Darin A.; Wasserman, Lawrence H.; Hunters, The Ice.

In: Astronomical Journal, Vol. 145, No. 4, 96, 04.2013.

Research output: Contribution to journalArticle

Parker, AH, Buie, MW, Osip, DJ, Gwyn, SDJ, Holman, MJ, Borncamp, DM, Spencer, JR, Benecchi, SD, Binzel, RP, Demeo, FE, Fabbro, S, Fuentes, CI, Gay, PL, Kavelaars, JJ, McLeod, BA, Petit, JM, Sheppard, SS, Stern, SA, Tholen, DJ, Trilling, DE, Ragozzine, DA, Wasserman, LH & Hunters, TI 2013, '2011 HM102: Discovery of a high-inclination L5 neptune trojan in the search for a post-pluto new horizons target', Astronomical Journal, vol. 145, no. 4, 96. https://doi.org/10.1088/0004-6256/145/4/96
Parker, Alex H. ; Buie, Marc W. ; Osip, David J. ; Gwyn, Stephen D J ; Holman, Matthew J. ; Borncamp, David M. ; Spencer, John R. ; Benecchi, Susan D. ; Binzel, Richard P. ; Demeo, Francesca E. ; Fabbro, Sébastian ; Fuentes, Cesar I. ; Gay, Pamela L. ; Kavelaars, J. J. ; McLeod, Brian A. ; Petit, Jean Marc ; Sheppard, Scott S. ; Stern, S. Alan ; Tholen, David J. ; Trilling, David E ; Ragozzine, Darin A. ; Wasserman, Lawrence H. ; Hunters, The Ice. / 2011 HM102 : Discovery of a high-inclination L5 neptune trojan in the search for a post-pluto new horizons target. In: Astronomical Journal. 2013 ; Vol. 145, No. 4.
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AU - Buie, Marc W.

AU - Osip, David J.

AU - Gwyn, Stephen D J

AU - Holman, Matthew J.

AU - Borncamp, David M.

AU - Spencer, John R.

AU - Benecchi, Susan D.

AU - Binzel, Richard P.

AU - Demeo, Francesca E.

AU - Fabbro, Sébastian

AU - Fuentes, Cesar I.

AU - Gay, Pamela L.

AU - Kavelaars, J. J.

AU - McLeod, Brian A.

AU - Petit, Jean Marc

AU - Sheppard, Scott S.

AU - Stern, S. Alan

AU - Tholen, David J.

AU - Trilling, David E

AU - Ragozzine, Darin A.

AU - Wasserman, Lawrence H.

AU - Hunters, The Ice

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