2006 SQ372

A likely long-period comet from the inner oort cloud

Nathan A. Kaib, Andrew C. Becker, R. Lynne Jones, Andrew W. Puckett, Dmitry Bizyaev, Benjamin Dilday, Joshua A. Frieman, Daniel J. Oravetz, Kaike Pan, Thomas Quinn, Donald P. Schneider, Shannon Watters

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We report the discovery of a minor planet (2006 SQ372) on an orbit with a perihelion of 24 AU and a semimajor axis of 796 AU. Dynamical simulations show that this is a transient orbit and is unstable on a timescale of ∼200 Myr. Falling near the upper semimajor axis range of the scattered disk and the lower semimajor axis range of the Oort Cloud, previous membership in either class is possible. By modeling the production of similar orbits from the Oort Cloud as well as from the scattered disk, we find that theOort Cloud produces 16 times as many objects on SQ372-like orbits as the scattered disk. Given this result, we believe this to be the most distant long-period comet (LPC) ever discovered. Furthermore, our simulation results also indicate that 2000 OO67 has had a similar dynamical history. Unaffected by the "Jupiter-Saturn Barrier," these two objects are most likely LPCs from the inner Oort Cloud.

Original languageEnglish (US)
Pages (from-to)268-275
Number of pages8
JournalAstrophysical Journal
Volume695
Issue number1
DOIs
StatePublished - Apr 10 2009

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Oort cloud
comets
comet
orbits
Saturn
Jupiter
simulation
planet
timescale
history
asteroids
Jupiter (planet)
falling
modeling
histories

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Kaib, N. A., Becker, A. C., Lynne Jones, R., Puckett, A. W., Bizyaev, D., Dilday, B., ... Watters, S. (2009). 2006 SQ372: A likely long-period comet from the inner oort cloud. Astrophysical Journal, 695(1), 268-275. https://doi.org/10.1088/0004-637X/695/1/268
Kaib, Nathan A. ; Becker, Andrew C. ; Lynne Jones, R. ; Puckett, Andrew W. ; Bizyaev, Dmitry ; Dilday, Benjamin ; Frieman, Joshua A. ; Oravetz, Daniel J. ; Pan, Kaike ; Quinn, Thomas ; Schneider, Donald P. ; Watters, Shannon. / 2006 SQ372 : A likely long-period comet from the inner oort cloud. In: Astrophysical Journal. 2009 ; Vol. 695, No. 1. pp. 268-275.
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Kaib, NA, Becker, AC, Lynne Jones, R, Puckett, AW, Bizyaev, D, Dilday, B, Frieman, JA, Oravetz, DJ, Pan, K, Quinn, T, Schneider, DP & Watters, S 2009, '2006 SQ372: A likely long-period comet from the inner oort cloud', Astrophysical Journal, vol. 695, no. 1, pp. 268-275. https://doi.org/10.1088/0004-637X/695/1/268

2006 SQ372 : A likely long-period comet from the inner oort cloud. / Kaib, Nathan A.; Becker, Andrew C.; Lynne Jones, R.; Puckett, Andrew W.; Bizyaev, Dmitry; Dilday, Benjamin; Frieman, Joshua A.; Oravetz, Daniel J.; Pan, Kaike; Quinn, Thomas; Schneider, Donald P.; Watters, Shannon.

In: Astrophysical Journal, Vol. 695, No. 1, 10.04.2009, p. 268-275.

Research output: Contribution to journalArticle

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AU - Puckett, Andrew W.

AU - Bizyaev, Dmitry

AU - Dilday, Benjamin

AU - Frieman, Joshua A.

AU - Oravetz, Daniel J.

AU - Pan, Kaike

AU - Quinn, Thomas

AU - Schneider, Donald P.

AU - Watters, Shannon

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N2 - We report the discovery of a minor planet (2006 SQ372) on an orbit with a perihelion of 24 AU and a semimajor axis of 796 AU. Dynamical simulations show that this is a transient orbit and is unstable on a timescale of ∼200 Myr. Falling near the upper semimajor axis range of the scattered disk and the lower semimajor axis range of the Oort Cloud, previous membership in either class is possible. By modeling the production of similar orbits from the Oort Cloud as well as from the scattered disk, we find that theOort Cloud produces 16 times as many objects on SQ372-like orbits as the scattered disk. Given this result, we believe this to be the most distant long-period comet (LPC) ever discovered. Furthermore, our simulation results also indicate that 2000 OO67 has had a similar dynamical history. Unaffected by the "Jupiter-Saturn Barrier," these two objects are most likely LPCs from the inner Oort Cloud.

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Kaib NA, Becker AC, Lynne Jones R, Puckett AW, Bizyaev D, Dilday B et al. 2006 SQ372: A likely long-period comet from the inner oort cloud. Astrophysical Journal. 2009 Apr 10;695(1):268-275. https://doi.org/10.1088/0004-637X/695/1/268