Dynamical Evolution of Comets and the Problem of Cometary Fading

Details Dynamical Evolution of Comets and the Problem of Cometary Fading Dynamical Evolution of Comets and the Problem of Cometary Fading

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996em%26p...72...35e&link_type=abstract

Earth, Moon and Planets, Volume 72, Issue 1-3, pp. 35-40

Mathematics

Probability

3

Comets, Dynamics, Fading Problem

Scientific paper

Possibilities to explain the observed 1/a-distribution are discussed in the light of improved understanding of the dynamical evolution of long-period comets. It appears that the ‘fading problem’ applies both to single-injection and continuous-injection models. Although uncertainties due to nongravitational effects do not allow detailed results to be drawn from the observed 1/a-distribution at small perihelion distance q, that for q ≳ 1.5 AU shows that a constant fading probability cannot explain all the features of the observed distribution. Assuming that comets can reappear following a period of fading, values for the assumed constant fading and renewal probabilities, and the total cometary flux have been estimated for q > 1.5 AU.

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