Statistics – Computation
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.201..321f&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 201, no. 2, p. 321-340.
Statistics
Computation
3
Celestial Mechanics, Kepler Laws, Momentum Transfer, Solar Orbits, Solar Wind, Acceleration (Physics), Comets, Computational Astrophysics, Protoplanets, Relativistic Effects, Subsonic Speed, Supersonic Speed
Scientific paper
An analytical model is used to describe theoretically the specific counterflow configuration for the case of the solar system in a subsonic peculiar motion with respect to the local interstellar medium, assuming irrotational and incompressible flows, and a quantitative number for the accelerating force governing the sun's motion at present is derived. The indirect action of such a force on orbiting Keplerian objects such as planets, planetesimals, and comets is next investigated. A perturbation analysis treating the action of a corresponding position-dependent perturbation force resulting in secular changes of the orbital elements of Keplerian objects is then carried out. It is found that changes are accumulating more rapidly in time the closer to the sun the orbiting bodies are. Especially pronounced are changes in the perihelion position angle of the objects. For solar wind mass losses larger than the sun's present value by a factor of 1000, the migration periods calculated for the planet Mercury are of the same order of magnitude as that for corresponding general relativistic migration.
Fahr Hans Jörg
Scherer Klaus
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