Statistics – Applications
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989stin...9113382c&link_type=abstract
Unknown
Statistics
Applications
Applications Programs (Computers), Asteroids, Cosmic Dust, Fortran, Orbits, Planets, Solar Wind, Sun, Illuminance, Poynting-Robertson Effect, Radiation Pressure, Runge-Kutta Method, Solar System, Supercomputers
Scientific paper
The main objective is to improve the performance of a specific FORTRAN computer code from the Planetary Sciences Division of NASA/Johnson Space Center when used on a modern vectorizing supercomputer. The code is used to calculate orbits of dust grains that separate from comets and asteroids. This code accounts for influences of the sun and 8 planets (neglecting Pluto), solar wind, and solar light pressure including Poynting-Robertson drag. Calculations allow one to study the motion of these particles as they are influenced by the Earth or one of the other planets. Some of these particles become trapped just beyond the Earth for long periods of time. These integer period resonances vary from 3 orbits of the Earth and 2 orbits of the particles to as high as 14 to 13.
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