Physics
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24..935m&link_type=abstract
In Lunar and Planetary Inst., Twenty-Fourth Lunar and Planetary Science Conference. Part 2: G-M p 935-936 (SEE N94-16173 03-91)
Physics
Aerodynamic Drag, Eccentricity, Interplanetary Dust, Many Body Problem, Micrometeoroids, Orbit Perturbation, Orbital Resonances (Celestial Mechanics), Perihelions, Solar Radiation, Statistical Analysis, Celestial Mechanics, Orbit Decay, Orbital Mechanics, Poynting-Robertson Effect, Trapping
Scientific paper
A statistical approach, based on a large number of simultaneous numerical integrations, is adopted to study the capture in external mean motion resonances with the Earth of micron size dust grains perturbed by solar radiation and wind forces. We explore the dependence of the resonant capture phenomenon on the initial eccentricity e0 and perihelion argument w0 of the dust particle orbit. The intensity of both the resonant and dissipative (Poynting-Robertson and wind drag) perturbations strongly depends on the eccentricity of the particle while the perihelion argument determines, for low inclination, the mutual geometrical configuration of the particle's orbit with respect to the Earth's orbit. We present results for three j:j+1 commensurabilities (2:3, 4:5 and 6:7) and also for particle sizes s = 15, 30 microns. This study extends our previous work on the long term orbital evolution of single dust particles trapped into resonances with the Earth.
Marzari Francesco
Vanzani V.
Weidenschilling Stuart J.
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