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相关论文: Apsidal asymmetric-alignment of Jupiter Trojans

200 篇论文

This paper is devoted to study the circumstances favourable to detect Trojan planets in close binary-star-systems by the help of eclipse timing variations (ETVs). To determine the probability of the detection of such variations with ground…

地球与行星天体物理 · 物理学 2016-08-17 R. Schwarz , Á. Bazsó , B. Funk , R. Zechner

The outer solar system is populated by a broad aggregate of minor bodies, which occupy orbits whose dynamical character ranges from long-term stable to rapidly diffusive. We investigate the chaotic properties of known distant…

地球与行星天体物理 · 物理学 2025-04-23 Gabriele Pichierri , Konstantin Batygin

We present the spectral characterization of Jupiter Trojans using data from the Gaia mission DR3 spectral catalog (320 spectra of good quality) and from the literature. Gaia spectrophotometry is available in 16 spectrophotometric points…

地球与行星天体物理 · 物理学 2025-10-22 Sonia Fornasier , Noemie El-Bez-Sebastien

Ultra-short period (USP) planets are exoplanets which have orbital periods of less than one day and are unique because they orbit inside the nominal magnetic truncation gap of their host stars. In some cases, USP planets have also been…

地球与行星天体物理 · 物理学 2021-11-24 Lucas Brefka , Juliette Becker

Context. Trojan asteroids of Mars date from an early phase of solar system evolution. Based on a sample of <10 asteroids, MT distribution has been previously shown to be both asymmetric and inhomogeneous with population evolution dominated…

地球与行星天体物理 · 物理学 2025-05-28 Apostolos A. Christou , Nikos Georgakarakos , Matija Cuk , Aldo Dell'Oro , Andrew Marshall-Lee , Alice Humpage

$\pi$ Men hosts a transiting super Earth ($P\approx6.27$ d, $m\approx4.82$ $M_{\oplus}$, $R\approx2.04$ $R_{\oplus}$) discovered by TESS and a cold Jupiter ($P\approx2093$ d, $m \sin I\approx10.02$ $M_{\rm{Jup}}$, $e\approx0.64$) discovered…

地球与行星天体物理 · 物理学 2020-08-10 Jerry W. Xuan , Mark C. Wyatt

The tumultuous early era of outer solar system evolution culminated when Neptune migrated across the primordial Kuiper belt (PKB) and triggered a dynamical instability among the giant planets. This event led to the ejection of approximately…

It is now accepted that the Solar system's youth was a dynamic and chaotic time. The giant planets migrated significant distances to reach their current locations, and evidence of that migration's influence on the Solar system abounds. That…

地球与行星天体物理 · 物理学 2013-02-12 Jonathan Horner , F. Elliott Koch , Patryk Sofia Lykawka

In the framework of the semiclassical approach the universal spectral correlations in the Hamiltonian systems with classical chaotic dynamics can be attributed to the systematic correlations between actions of periodic orbits which (up to…

数学物理 · 物理学 2011-09-16 Boris Gutkin , Vladimir Al. Osipov

With JWST we can now characterize the atmospheres of planets on longer orbital planets, but this moves us into a regime where we cannot assume that tidal forces from the star have eroded planets' obliquities and synchronized their rotation…

地球与行星天体物理 · 物理学 2023-06-06 Emily Rauscher , Nicolas B. Cowan , Rodrigo Luger

Several papers have recently suggested the possible presence of a ninth planet (Planet X) that might explain the gravitational perturbations of a number of detached Trans-Neptunian objects. To analyze the possibility further, we have…

地球与行星天体物理 · 物理学 2020-01-27 Robert Finch , Mattia A. Galiazzo

We present the size distribution for Hilda asteroid group using optical survey data obtained by the 8.2 m Subaru Telescope with the Hyper Suprime-Cam. Our unbiased sample consists of 91 Hilda asteroids (Hildas) down to 1~km in diameter. We…

地球与行星天体物理 · 物理学 2018-07-18 Tsuyoshi Terai , Fumi Yoshida

The HR8799 planetary system with four ~10 mJup planets in wide orbits up to 70 au, and periods up to 500 yr has been detected with the direct imaging. Its intriguing orbital architecture is not fully resolved due to time-limited astrometry…

地球与行星天体物理 · 物理学 2018-10-10 Krzysztof Gozdziewski , Cezary Migaszewski

In this work, we investigate the dynamical stability of pre-formed Neptune Trojans under the gravitational influence of the four giant planets in compact planetary architectures, over 10 Myr. In our modelling, the initial orbital locations…

地球与行星天体物理 · 物理学 2010-07-16 P. S. Lykawka , J. Horner , B. W. Jones , T. Mukai

The outer solar system is theoretically predicted to harbour an undiscovered planet, often referred to as P9. Simulations suggest that its gravitational influence could explain the unusual clustering of minor bodies in the Kuiper Belt.…

Much of the dynamical structure of the Kuiper belt can be explained if Neptune migrated over several AU, and/or if Neptune was scattered to an eccentric orbit during planetary instability. An outstanding problem with the existing formation…

地球与行星天体物理 · 物理学 2015-08-19 David Nesvorny

The first directly imaged exoplanets indicated that wide-orbit giant planets could be more common around A-type stars. However, the relatively small number of nearby A-stars has limited the precision of exoplanet demographics studies to…

地球与行星天体物理 · 物理学 2022-02-02 Kevin Wagner , Daniel Apai , Markus Kasper , Melissa McClure , Massimo Robberto

The dynamical structure of the Kuiper belt beyond 50 au is not well understood. Here we report results of a numerical model with long-range, slow and grainy migration of Neptune. The model implies that bodies scattered outward by Neptune to…

地球与行星天体物理 · 物理学 2016-08-31 David Nesvorny , David Vokrouhlicky , Fernando Roig

The first discovered extrasolar worlds -- giant, ``hot Jupiter'' planets on short-period orbits -- came as a surprise to solar-system-centric models of planet formation, prompting the development of new theories for planetary system…

地球与行星天体物理 · 物理学 2023-03-29 Dong-Hong Wu , Malena Rice , Songhu Wang

In part I, using an effective computational approach, we have reconstructed the population of dust sources between Jupiter and Neptune. Here, in part II, we present the results on distribution of dust produced by 157 real sources (100…

天体物理学 · 物理学 2007-05-23 Nikolai N. Gor'kavyi , Leonid M. Ozernoy , Tatiana Taidakova