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Related papers: Origin and Evolution of Jupiter's Trojan Asteroids

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Seven of the nine known Mars Trojan asteroids belong to an orbital cluster named after its largest member 5261 Eureka. Eureka is likely the progenitor of the whole cluster, which formed at least 1 Gyr ago. It was suggested that the thermal…

Earth and Planetary Astrophysics · Physics 2017-10-03 David Polishook , Seth A. Jacobson , Alessandro Morbidelli , Oded Aharonson

Current models of Solar System evolution posit that the asteroid populations in resonance with Jupiter are comprised of objects scattered inward from the outer Solar System during a period of dynamical instability. In this paper, we present…

Earth and Planetary Astrophysics · Physics 2017-01-18 Ian Wong , Michael E. Brown

The tidal evolution of hot Jupiters may change the efficiency of transit surveys of stellar clusters. The orbital decay that hot Jupiters suffer may result in their destruction, leaving fewer transiting planets in older clusters. We…

Earth and Planetary Astrophysics · Physics 2015-05-19 John H. Debes , Brian Jackson

We present a study of Jovian Trojan objects detected serendipitously during the course of a sky survey conducted at the University of Hawaii 2.2-meter telescope. We used a 8192 x 8192 pixel charge-coupled device (CCD) mosaic to observe 20…

Astrophysics · Physics 2009-10-31 D. C. Jewitt , C. A. Trujillo , J. X. Luu

Asteroids are leftover pieces from the era of planet formation that help us understand conditions in the early Solar System. Unlike larger planetary bodies that were subject to global thermal modification during and subsequent to their…

Earth and Planetary Astrophysics · Physics 2009-06-25 Kevin J. Walsh , Patrick Michel , Derek C. Richardson

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…

Earth and Planetary Astrophysics · Physics 2010-07-16 P. S. Lykawka , J. Horner , B. W. Jones , T. Mukai

Centaurs are objects whose orbits are found between those of the giant planets. They are supposed to originate mainly from the TransNeptunian objects, and they are among the sources of NearEarth Objects.TransNeptunian Objects (TNOs) cross…

Earth and Planetary Astrophysics · Physics 2016-11-18 Mattia Alvise Galiazzo , Paul Wiegert , Safwan Aljbaae

Hot Jupiters are giant Jupiter-like exoplanets that orbit 100x closer to their host stars than Jupiter does to the Sun. These planets presumably form in the outer part of the primordial disc from which both the central star and surrounding…

Solar and Stellar Astrophysics · Physics 2016-06-21 JF Donati , C Moutou , L Malo , C Baruteau , L Yu , E Hebrard , G Hussain , S Alencar , F Menard , J Bouvier , P Petit , M Takami , R Doyon , A Collier Cameron

The problem of accretion in the Trojan 1:1 resonance is akin to the standard problem of planet formation, transplanted from a star-centered disk to a disk centered on the Lagrange point. The newly discovered class of Neptune Trojans…

Astrophysics · Physics 2009-11-10 E. I. Chiang , Y. Lithwick

The stability of eight nominal fictitious Uranus Trojan orbits over the age of the Solar system has been measured. The initial inclinations, i0, were 0 deg., 5 deg., 15 deg., and 30 deg. relative to the ecliptic plane. Initial…

Earth and Planetary Astrophysics · Physics 2022-12-23 Jeremy Wood

The short period Jupiter family comets (JFCs) are thought to originate in the Kuiper Belt; specifically, a dynamical subclass of the Kuiper Belt known as the `scattered disk' is argued to be the dominant source of JFCs. However, the best…

Astrophysics · Physics 2009-11-13 Kathryn Volk , Renu Malhotra

The irregular satellites of outer planets are thought to have been captured from heliocentric orbits. The exact nature of the capture process, however, remains uncertain. We examine the possibility that irregular satellites were captured…

Earth and Planetary Astrophysics · Physics 2015-06-18 D. Nesvorny , D. Vokrouhlicky , R. Deienno

Despite decades of inquiry, the origin of giant planets residing within a few tenths of an astronomical unit from their host stars remains unclear. Traditionally, these objects are thought to have formed further out before subsequently…

Earth and Planetary Astrophysics · Physics 2017-08-23 Christopher Spalding , Konstantin Batygin

Centaurs populate relatively short-lived and rapidly evolving orbits in the giant-planet region and are believed to be one of the solar system's most complex and diverse populations. Most Centaurs are linked to origins in the dynamically…

Earth and Planetary Astrophysics · Physics 2025-11-26 Rosita Kokotanekova , Aurélie Guilbert-Lepoutre , Matthew M. Knight , Jean-Baptiste Vincent

The small bodies in the Kuiper Belt region of the distant Solar System are leftovers from planet formation. Their orbital distribution today tells us about how giant planets migrated, while their surface properties, shapes, and sizes tell…

Earth and Planetary Astrophysics · Physics 2024-10-08 Samantha M. Lawler , Rosemary E. Pike

The origin of rings around giant planets remains elusive. Saturn's rings are massive and made of 90-95% of water ice. In contrast, the much less massive rings of Uranus and Neptune are dark and likely to have higher rock fraction. Here we…

Earth and Planetary Astrophysics · Physics 2016-11-15 Ryuki Hyodo , Sébastien Charnoz , Keiji Ohtsuki , Hidenori Genda

The orbit of Mercury has large values of eccentricity and inclination that cannot be easily explained if this planet formed on a circular and coplanar orbit. Here, we study the evolution of Mercury's orbit during the instability related to…

Earth and Planetary Astrophysics · Physics 2016-04-06 Fernando Roig , David Nesvorný , Sandro Ricardo DeSouza

The statistics of extrasolar planetary systems indicate that the default mode of planet formation generates planets with orbital periods shorter than 100 days, and masses substantially exceeding that of the Earth. When viewed in this…

Earth and Planetary Astrophysics · Physics 2015-06-24 Konstantin Batygin , Gregory Laughlin

The origin of the irregular satellites of the giant planets has been long debated since their discovery. Their dynamical features argue against an in-situ formation suggesting they are captured bodies, yet there is no global consensus on…

Earth and Planetary Astrophysics · Physics 2010-11-29 D. Turrini , F. Marzari , F. Tosi

The Sun was an order of magnitude more luminous during the first few hundred thousand years of its existence, due in part to the gravitational energy released by material accreting from the Solar nebula. If Jupiter was already near its…

Earth and Planetary Astrophysics · Physics 2015-05-30 N. J. Turner , M. Choukroun , J. Castillo-Rogez , G. Bryden