Influence of the Yarkovsky effect on mean motion resonances of asteroids with small perihelion distances
The paper presents the study results of the Yarkovsky effect influence on the resonant characteristics of asteroids with small perihelion distances. Out of 52 studied objects, 27 asteroids were identified that move in the vicinity of stable and unstable low-order mean motion resonances with major planets. The evolution of the asteroids orbits is constructed with and without the Yarkovsky effect, and the behavior of the resonance characteristics in both cases is analyzed. The effect was taken into account by including the perturbation from the transversal acceleration A2, the values of which for the presented objects were obtained earlier by the authors of this work. It is shown that the Yarkovsky effect influence on stable resonances is insignificant and leads to small changes in the libration amplitude of the resonance characteristics. The stability of the resonance is preserved. With unstable resonant interaction, the number of passages through the exact commensurability changes, and for some asteroids the resonance becomes more stable.
Keywords
asteroids with small perihelion distances,
mean motion resonances,
the Yarkovsky effectAuthors
| Galushina T.Yu. | National Research Tomsk State University | tanastra@nxt.ru |
| Letner O.N. | National Research Tomsk State University | oksana.letner@gmail.com |
| Syusina O.M. | National Research Tomsk State University | olga_syusina@rambler.ru |
| Niganova E.N. | National Research Tomsk State University | shen1981@mail.ru |
Всего: 4
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