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Context. Asteroids with semi-major axes very close to that of a host planet can avoid node crossings when their nodal points are at perihelion and at aphelion. This layout protects the asteroids from close encounters, and eventual…

Earth and Planetary Astrophysics · Physics 2015-08-19 C. de la Fuente Marcos , R. de la Fuente Marcos

The dynamical evolution of the Prometheus and Pandora pair of satellites is chaotic, with a short 3.3 years Lyapunov time. It is known that the anti-alignment of the apses line of Prometheus and Pandora, which occurs every 6.2 years, is a…

Earth and Planetary Astrophysics · Physics 2022-02-16 A. R. Gomes-Júnior , T. Santana , O. C. Winter , R. Sfair

Minor planet 2002 VE68 was identified as a quasi-satellite of Venus shortly after its discovery. At that time its data-arc span was only 24 days, now it is 2,947 days. Here we revisit the topic of the dynamical status of this remarkable…

Earth and Planetary Astrophysics · Physics 2015-03-20 C. de la Fuente Marcos , R. de la Fuente Marcos

On 2008 October 7, small asteroid 2008 TC3 turned itself into the parent body of the first meteor ever to be predicted before entering the Earth's atmosphere. Over five years later, the 2014 AA event became the second instance of such an…

Earth and Planetary Astrophysics · Physics 2016-10-17 C. de la Fuente Marcos , R. de la Fuente Marcos , P. Mialle

The aim of this paper is to compare different sources of stochasticity in the solar system. More precisely we study the importance of the long term influence of asteroids on the chaotic dynamics of the solar system. We show that the effects…

Earth and Planetary Astrophysics · Physics 2017-11-15 Freddy Bouchet , E Woillez

The orbital evolution of the two meteorites P\v{r}\'{i}bram and Neuschwanstein on almost identical orbits and also several thousand clones were studied in the framework of the N-body problem for 5000 years into the past. The meteorites…

Earth and Planetary Astrophysics · Physics 2016-08-14 Leonard Kornoš , Juraj Tóth , Peter Vereš

The goal of this work is to determine if the dynamics of individual Taurid Complex (TC) objects are consistent with the formation of the complex via fragmentation of a larger body, or if the current orbital affinities between the TC members…

Earth and Planetary Astrophysics · Physics 2021-08-11 A. Egal , P. Wiegert , P. G. Brown , P. Spurný , J. Borovička , G. B. Valsecchi

We present the analysis and computational results for the inclination relative effect of moonlets of triple asteroidal systems. Perturbations on moonlets due to the primarys non-sphericity gravity, the solar gravity, and moonlets relative…

Earth and Planetary Astrophysics · Physics 2017-10-25 Yu Jiang , Hexi Baoyin , Yun Zhang

Analysis of laboratory experiments simulating space weathering optical effects on atmosphereless planetary bodies reveals that the time needed to alter the spectrum of an ordinary chondrite meteorite to resemble the overall spectral shape…

Earth and Planetary Astrophysics · Physics 2012-11-28 D. I. Shestopalov , L. F. Golubeva , E. A. Cloutis

Context. To investigate the distribution of rotation periods of asteroids from different regions of the Solar System and distribution of diameters of near-Earth asteroids (NEAs). Aims. Verify if nonextensive statistics satisfactorily…

Earth and Planetary Astrophysics · Physics 2012-05-29 Alberto S. Betzler , Ernesto P. Borges

Evidence of secular dynamical evolution for detached active binary orbits are presented. First order decreasing rates of orbital angular momentum (OAM), systemic mass ($M=M_{1}+M_{2}$) and orbital period of detached active binaries have…

Astrophysics · Physics 2009-09-29 Z. Eker , O. Demircan , S. Bilir , Y. Karatas

We investigate the dynamical evolution of hierarchical three-body systems under the effect of tides, when the ratio of the orbital semi-major axes is small and the mutual inclination is relatively large (greater than 20 degrees). Using the…

Earth and Planetary Astrophysics · Physics 2011-07-06 Alexandre C. M. Correia , Jacques Laskar , François Farago , Gwenaël Boué

Any population of asteroids, like asteroid families, will disperse in semi-major axis due to the Yarkovsky effect. The amount of drift is modulated by the asteroid spin state evolution which determines the balance between the diurnal and…

Earth and Planetary Astrophysics · Physics 2020-09-02 Francesco Marzari , Alessandro Rossi , Oleksiy Golubov , Daniel Scheeres

Rotational dynamics of asteroids carry important information about their internal structure, collisional history and material composition. This work investigates whether M-type asteroids exhibit systematically higher rotation rates than the…

Earth and Planetary Astrophysics · Physics 2026-05-27 Fernando Abarzuza , Noemí Pinilla-Alonso , Miquel Serra-Ricart , Santiago Iglesias Álvarez , Miguel R. Alarcon

The rotational mass loss has been realized to be a prevalent mechanism to produce low-speed debris near the asteroid, and the size composition of the asteroid's surface regolith has been closely measured by in situ explorations. However,…

Earth and Planetary Astrophysics · Physics 2024-08-29 Chenyang Huang , Yang Yu , Zhijun Song , Bin Cheng , Patrick Michel , Hexi Baoyin

The characteristics of the resonant disturbing function for an asteroid perturbed by a planet in circular orbit are discussed. The location of the libration centers and their dependence with the orbital elements of the resonant orbit are…

Astrophysics · Physics 2007-08-16 Tabare Gallardo

We perform numerical simulations to study the secular orbital evolution and dynamical structure in the HD 69830 system with the best-fit orbital solutions by Lovis and coworkers (2006). In the simulations, we show that the triplet Neptunian…

Astrophysics · Physics 2008-11-26 Ji Jianghui , H. Kinoshita , Liu Lin , Li Guangyu

We have evaluated the rate at which the asteroid belt is losing material, and how it splits between macroscopic bodies and meteoritic dust. The mass loss process is due to the injection of asteroid fragments into unstable dynamical regions,…

Earth and Planetary Astrophysics · Physics 2025-09-26 Julio A. Fernandez

Hilda asteroids, which orbit in a 3:2 resonance with Jupiter, serve as key indicators of dynamical processes in the early solar system. Their spin rates, an important probe of these mechanisms, can constrain their density and collisional…

The orbits of asteroids from the MPC catalogue of May 31, 2020 with absolute magnitudes H < 16m, in the 3:1, 5:2 and 2:1 mean motion resonances (MMRs) with Jupiter were selected. The number of the orbits in the 2:1 MMR is dozens times…

Earth and Planetary Astrophysics · Physics 2023-02-07 Kazantsev A. M
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