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Article Dans Une Revue Physics Letters A Année : 2015

Symplectic map description of Halley's comet dynamics

Résumé

We determine the two-dimensional symplectic map describing 1P/Halley chaotic dynamics. We compute the Solar system kick function, i.e. the energy transfer to 1P/Halley along one passage through the Solar system. Each planet contribution to the Solar system kick function appears to be the sum of a Keplerian potential and of a rotating gravitational dipole potential due to the Sun movement around Solar system barycenter. The Halley map gives a reliable description of comet dynamics on time scales of 10^4 years while on a larger scales the parameters of the map are slowly changing due to slow oscillations of orbital momentum.

Dates et versions

hal-01651356 , version 1 (29-11-2017)

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Guillaume Rollin, Pierre Haag, José Lages. Symplectic map description of Halley's comet dynamics. Physics Letters A, 2015, 379 (14-15), pp.1017 - 1022. ⟨10.1016/j.physleta.2015.02.001⟩. ⟨hal-01651356⟩
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