A preliminary investigation of the orbital evolution of near-Earth asteroids

Details A preliminary investigation of the orbital evolution of near-Earth asteroids A preliminary investigation of the orbital evolution of near-Earth asteroids

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997acasn..38..337l&link_type=abstract

Acta Astronomica Sinica, vol. 38, p. 337

Astronomy and Astrophysics

Astronomy

1

Asteroids, Solar Orbits, Comets, Planetary Evolution, Orbital Elements, Algorithms, Hamiltonian Functions

Scientific paper

Using an improved symplectic algorithm, the orbital evolutions of 86 NEAs for a time span of 1000-10,000 yrs are computed and some important results are presented. The orbits of asteroid nos. 3552 and 4015 found to be unstable and the minimal distance between the asteroid no. 4660 and the Earth is found to be close to 0.0018 au, which is less than the mean distance between the moon and the Earth.

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