Twentieth century light curves and the nucleus of comet P/Tempel 2

Details Twentieth century light curves and the nucleus of comet P/Tempel 2 Twentieth century light curves and the nucleus of comet P/Tempel 2

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..509r&link_type=abstract

In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 509-512 (SEE N93-19113 06-90)

Physics

4

Comet Nuclei, Light Curve, Tempel 2 Comet, Gases, Magnitude, Mass, Perihelions

Scientific paper

Observations of P/Tempel 2 from 1899 to 1988 corresponding to 13 apparitions are analyzed in order to estimate the perihelion asymmetry of the gas production curve for different periods of its evolution. Using the correlation found by Festou et al. (1990) between the perihelion asymmetries and the delay in perihelion passage due to the action of nongravitational forces, we estimate the mass of the comet to be M approximately equals 1.6 plus or minus 0.5 x 1014 kg. Assuming a volume of 500 cu km, based on nuclear observations, a density of 0.3 plus or minus 0.1 g/cu cm is obtained.

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