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Dynamical Evolution of Interplanetary Dust due to Gravitational Scattering by Jupiter and the Inner Planets

Published online by Cambridge University Press:  27 February 2018

Nikolai N. Gor'kavyi ,
Leonid M. Ozernoy  and
John C. Mather
Nikolai N. Gor'kavyi
Affiliation:
Crimean Astrophysical Observatory, Simeiz 334242, Ukraine
Leonid M. Ozernoy
Affiliation:
Code 685, Goddard Space Flight Center, Greenbelt, MD 20771
John C. Mather
Affiliation:
Code 685, Goddard Space Flight Center, Greenbelt, MD 20771

Abstract

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We introduce the continuity equation written in the coordinate space of the orbital elements (e.g. large semi-axis a vs. eccentricity e, etc.) to explore the density evolution of the zodiacal cloud. Emphasis is on those terms of the continuity equation which describe ‘jumps’ of particles in the (a, e)-space due to gravitational scattering of the interplanetary dust particles by planets, which represents one of the leading factors in the dynamical evolution of the zodiacal cloud. In the remainder (div-terms of the continuity equation), one can incorporate the known analytical expressions for the rates of gradual change of orbital elements due to the Poynting-Robertson and solar wind drags (Liou et al. 1995).

Type
I. Dynamics of the Interplanetary Dust Cloud
Information
International Astronomical Union Colloquium , Volume 150: Physics, Chemistry and Dynamics of Interplanetary Dust , 1996 , pp. 43 - 46
Copyright
Copyright © Astronomical Society of the Pacific 1996

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