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The classical Kuiper belt contains objects both from a low-inclination, presumably primordial, distribution and from a high-inclination dynamically excited population. Based on a sample of classical TNOs with observations at thermal…

The most pristine remnants of the Solar system's planet formation epoch orbit the Sun beyond Neptune, the small bodies of the trans-Neptunian object populations. The bulk of the mass is in ~100 km objects, but objects at smaller sizes have…

地球与行星天体物理 · 物理学 2024-02-19 Andrew Shannon , Alain Doressoundiram , Françoise Roques , Bruno Sicardy , Quentin Kral

The ISOPHOT Serendipity Survey (ISOSS) covered approximately 15 % of the sky at a wavelength of 170 micron while the ISO satellite was slewing from one target to the next. By chance ISOSS slews went over many solar system objects (SSOs). We…

天体物理学 · 物理学 2009-11-07 T. G. Mueller , S. Hotzel , M. Stickel

We present the methods and results from the discovery and photometric measurement of 26 bright (VR $>$ 24 trans-Neptunian objects (TNOs) during the first year (2019-20) of the DECam Ecliptic Exploration Project (DEEP). The DEEP survey is an…

We carried out an extensive analysis of the stability of the outer solar system, making use of the frequency analysis technique over short-term integrations of nearly a hundred thousand test particles, as well as a statistical analysis of…

地球与行星天体物理 · 物理学 2021-10-04 M. A. Muñoz-Gutiérrez , A. Peimbert , M. J. Lehner , S. -Y. Wang

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

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

Asymmetric debris discs have been found around stars other than the Sun; asymmetries are sometimes attributed to perturbations induced by unseen planets. The presence or absence of asymmetries in our own trans-Neptunian belt remains…

地球与行星天体物理 · 物理学 2022-03-01 C. de la Fuente Marcos , R. de la Fuente Marcos

Physical characterization of Trans-Neptunian objects, a primitive population of the outer solar system, may provide constraints on their formation and evolution. The goal of this work is to characterize a set of 15 scattered disk (SDOs) and…

The goal of this work is to determine the physical characteristics of resonant, detached and scattered disk objects in the transneptunian region, observed mainly in the framework of the "TNOs are Cool!" Herschel Open Time Key Program. Based…

地球与行星天体物理 · 物理学 2020-07-01 A. Farkas-Takács , Cs. Kiss , E. Vilenius , G. Marton , T. G. Müller , M. Mommert , J. Stansberry , E. Lellouch , P. Lacerda , A. Pál

The Kepler survey provides a statistical census of planetary systems out to the habitable zone. Because most planets are non-transiting, orbital architectures are best estimated using simulated observations of ensemble populations. Here, we…

地球与行星天体物理 · 物理学 2018-07-11 Gijs D. Mulders , Ilaria Pascucci , Daniel Apai , Fred J. Ciesla

The longitudes of perihelia and orbital poles of the solar system's dozen or so most remote detected objects are clustered in a manner inconsistent with that of a random sample of uniformly distributed orbits. While small number statistics…

地球与行星天体物理 · 物理学 2020-06-10 Matthew S. Clement , Nathan A. Kaib

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

Organized Autotelescopes for Serendipitous Event Survey (OASES) is an optical observation project that aims to detect and investigate stellar occultation events by kilometer-sized trans-Neptunian objects (TNOs). In this project, multiple…

The minor planets on orbits that are dynamically stable in Neptune's 1:1 resonance on Gyr timescales were likely emplaced by Neptune's outward migration. We explore the intrinsic libration amplitude, eccentricity, and inclination…

Context. The populations of small bodies of the Solar System (asteroids, comets, Kuiper Belt objects) are used to constrain the origin and evolution of the Solar System. Both their orbital distribution and composition distribution are…

地球与行星天体物理 · 物理学 2022-02-09 A. V. Sergeyev , B. Carry , C. A. Onken , H. A. R. Devillepoix , C. Wolf , S. -W. Chang

Among the outer solar system minor planet orbits there is an observed gap in perihelion between roughly 50 and 65 au at eccentricities $e\gtrsim0.65$. Through a suite of observational simulations, we show that the gap arises from two…

地球与行星天体物理 · 物理学 2021-07-15 William J. Oldroyd , Chadwick A. Trujillo