Evolution of the Oort cloud angular momentum - Numerical simulation

Details Evolution of the Oort cloud angular momentum - Numerical simulation Evolution of the Oort cloud angular momentum - Numerical simulation

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.186..225l&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 186, no. 2, Dec. 1991, p. 225-243.

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Angular Momentum, Comet Nuclei, Computational Astrophysics, Digital Simulation, Evolution (Development), Oort Cloud, Astronomical Models, Orbital Mechanics, Solar Corona

Scientific paper

Consideration is given to the evolution of a flat swarm of cometary bodies (under the effect of the passage of stars) initially moving in one direction along circular orbits with radii in the range of 14,000 to 20,000 AU and along elliptic orbits with semimajor axes in the range of 5000 to 10,000 AU and with perihelia in the range of 50 to 100 AU. Numerical simulation shows that the original flat belt of comets is thermalizing. The value beta = N(core)/N(halo) varies within a wide range (up to an order of magnitude) depending on the model used. A numerical simulation is employed to calculate Oort cloud models to which the initially flat rotating cometary swarms located at the periphery of the solar nebula is evolving in time. The loss of the initial angular momentum over the time of the Oort cloud's evolution is not significant.

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