End-states of short-period comets and their role in maintaining the zodiacal dust cloud

Details End-states of short-period comets and their role in maintaining the zodiacal dust cloud End-states of short-period comets and their role in maintaining the zodiacal dust cloud

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988em%26p...41..155f&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 41, May 1988, p. 155-161.

Physics

1

Asteroid Belts, Comets, Cosmic Dust, Zodiacal Dust, Apollo Asteroids, Comet Nuclei

Scientific paper

Physical lifetimes and end-states of short-period comets are analyzed in connection with the problem of the maintenance of the zodiacal dust cloud, emphasizing the comet-asteroid relationship. Significant differences in the physical properties of Apollo-Amor asteroids and short-period comets suggest that they are distinct classes of objects. It is found that a few percent of the active short-period comets might become asteroid-like bodies in comet-type orbits due to the buildup of dust mantles. Unobservable faint short-period comets are considered as a complimentary source of dust material. It is concluded that short-period comets may supply an average of several tons/sec of meteoric matter to the zodiacal dust cloud.

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