Generalizations of the Störmer problem for dust grain orbits

We investigate the generalized Störmer problem, which includes electromagnetic and gravitational forces on a charged dust grain near an axisymmetric planet. For typical charge-to-mass ratios neither force can be neglected. The effects of the different forces are discussed in detail. Thus, including...

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Bibliographic Details
Published in:Physica. D 2002-10, Vol.171 (3), p.178-195
Main Authors: Dullin, H.R., Horányi, M., Howard, J.E.
Format: Article
Language:English
Subjects:
Dust grains
Halo orbits
Stability
Störmer problem
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Summary:We investigate the generalized Störmer problem, which includes electromagnetic and gravitational forces on a charged dust grain near an axisymmetric planet. For typical charge-to-mass ratios neither force can be neglected. The effects of the different forces are discussed in detail. Thus, including the gravitational force gives rise to stable circular orbits lying in a plane entirely above/below the equatorial plane. A modified third Kepler’s law for these orbits is found and analyzed.
ISSN:0167-2789
1872-8022
DOI:10.1016/S0167-2789(02)00550-X