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We measure the absolute magnitude, $H$, distribution, $dN(H) \propto 10^{\alpha H}$ of the scattering Trans-Neptunian Objects (TNOs) as a proxy for their size-frequency distribution. We show that the H-distribution of the scattering TNOs is…

地球与行星天体物理 · 物理学 2016-02-03 C. Shankman , J. J. Kavelaars , B. J. Gladman , M. Alexandersen , N. Kaib , J. -M. Petit , M. T. Bannister , Y. -T Chen , S. Gwyn , M. Jakubik , K. Volk

Most known trans-Neptunian objects (TNOs) gravitationally scattering off the giant planets have orbital inclinations consistent with an origin from the classical Kuiper belt, but a small fraction of these "scattering TNOs" have inclinations…

There have been 77 TNOs discovered to be librating in the distant transneptunian resonances (beyond the 2:1 resonance, at semimajor axes greater than 47.7~AU) in four well-characterized surveys: the Outer Solar System Origins Survey (OSSOS)…

The migration of Neptune's resonances through the proto-Kuiper belt has been imprinted in the distribution of small bodies in the outer Solar System. Here we analyze five published Neptune migration models in detail, focusing on the high…

地球与行星天体物理 · 物理学 2019-07-17 S. M. Lawler , R. E. Pike , N. Kaib , M. Alexandersen , M. T. Bannister , Y. -T. Chen , B. Gladman , S. Gwyn , J. J. Kavelaars , J. -M. Petit , K. Volk

The detached transneptunian objects (TNOs) are those with semimajor axes beyond the 2:1 resonance with Neptune, which are neither resonant nor scattering. Using the detached sample from the OSSOS telescopic survey, we produce the first…

地球与行星天体物理 · 物理学 2023-11-01 Matthew Beaudoin , Brett Gladman , Yukun Huang , Michele Bannister , J. J. Kavelaars , Jean-Marc Petit , Kathryn Volk

We present variability measurements and partial light curves of Trans-Neptunian Objects (TNOs) from a two-night pilot study using Hyper Suprime-Cam (HSC) on the Subaru Telescope (Maunakea, Hawai'i, USA). Subaru's large aperture (8-m) and…

The first two observational sky "blocks" of the Outer Solar System Origins Survey (OSSOS) have significantly increased the number of well-characterized observed trans-Neptunian objects (TNOs) in Neptune's mean motion resonances. We describe…

The accumulating, but small, set of large semi-major axis trans-Neptunian objects (TNOs) shows an apparent clustering in the orientations of their orbits. This clustering must either be representative of the intrinsic distribution of these…

Colors of Trans Neptunian Objects (TNOs) are used to study the evolutionary processes of bodies in the outskirts of the Solar System, and to test theories regarding their origin. Here I describe a search for serendipitous Sloan Digital Sky…

地球与行星天体物理 · 物理学 2015-06-04 Eran O. Ofek

Centaurs are the transitional population between trans-Neptunian objects (TNOs) and Jupiter-family comets. For this reason it is possible to access the smaller ones, which is more difficult to do with the TNO population. The goal of this…

We present the results of a survey for trans-neptunian objects (TNOs) based on Subaru archival images, originally collected by Sheppard et al. (2005) as part of a search for irregular satellites of Uranus. The survey region covers 2.8…

天体物理学 · 物理学 2008-04-23 Cesar I. Fuentes , Matthew J. Holman

The orbital element distribution of trans-Neptunian objects (TNOs) with large pericenters has been suggested to be influenced by the presence of an undetected, large planet at >200 AU from the Sun. To find additional observables caused by…

地球与行星天体物理 · 物理学 2017-01-04 S. M. Lawler , C. Shankman , N. Kaib , M. T. Bannister , B. Gladman , J. J. Kavelaars

Resonant dynamics plays a significant role in the past evolution and current state of our outer Solar System. The population ratios and spatial distribution of Neptune's resonant populations are direct clues to understanding the history of…

Both physical and dynamical properties must be considered to constrain the origins of the dynamically excited distant Solar System populations. We present high-precision (g-r) colors for 25 small (Hr>5) dynamically excited Trans-Neptunian…

To study the population properties of small, remote objects beyond Neptune's orbit in the outer solar system, of kilometer size or smaller, serendipitous occultation search is so far the only way. For hectometer-sized Trans-Neptunian…

地球与行星天体物理 · 物理学 2015-06-12 Hsiang-Kuang Chang , Chih-Yuan Liu , Kuan-Ting Chen

[Condensed] We search 0.02 deg^2 for trans-Neptunian objects (TNOs) with m<=29.2 (diameter ~15 km) using the ACS on HST. Three new objects are discovered, roughly 25 times fewer than expected from extrapolation of the differential sky…

天体物理学 · 物理学 2009-11-10 G. M. Bernstein , D. E. Trilling , R. L. Allen , M. E. Brown , M. Holman , R. Malhotra

Trans-Neptunian objects (TNOs) contain the most primitive and thermally least-processed materials from the early accretional phase of the solar system. They allow us to study interrelations between various classes of small bodies, their…

天体物理学 · 物理学 2009-11-13 S. Bagnulo , I. Belskaya , K. Muinonen , G. P. Tozzi , M. A. Barucci , L. Kolokolova , S. Fornasier
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