The mass loss rates of periodic comets

Details The mass loss rates of periodic comets The mass loss rates of periodic comets

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987esasp.278..739k&link_type=abstract

In ESA, Proceedings of the International Symposium on the Diversity and Similarity of Comets p 739-744 (SEE N88-21884 14-91)

Computer Science

6

Comets, Evolution (Development), Mass Transfer, Brightness, Interplanetary Dust, Orbits, Tables (Data)

Scientific paper

The mass loss rates integrated over the last 2 centuries are determined for all the known periodic comets of q less than 3 AU, on the basis of their absolute total brightness and orbital evolution. They cover a range from 100 million to 1 trillon kg/century and undergo appreciable temporal variations. The average total mass loss is estimated at 3 trillion kg/century (equivalent to 1 object of absolute total magnitude 6.3 staying all the time at r = 1 AU). Nearly one half of this is contributed by P/Halley and P/Encke alone. While the amount of gas seems to be fairly well determined, only the dust particles escaping with it are included. Their input is too small to maintain the interplanetary dust complex in equilibrium, and it is suggested that most of the dust supply is due to inactive objects: larger fragments of cometary nuclei, their extinct cores, and asteroids.

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