Computer Science
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..633s&link_type=abstract
In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed
Computer Science
2
Long-Period Comets, C/1996 B2 Hyakutake, Non-Gravitational Effects
Scientific paper
The effect of the non-gravitational forces on the orbit of C/1996 B2 Hayakutake is investigated using the positional data between 1996 Jan. 01 and Nov. 02. In spite of a short arc of observations this effect is clearly detectable owing to small perihelion distance. To model the non-gravitational acceleration the standard function g(r) as well as the observed light curve interpreted as a result of a water sublimation rate were adopted. The ratio of the observed rotational period and nucleus radius has allowed to constrain a net of forced precession models of the comet nucleus. The profile of the comet activity as a function of the heliocentric distance is discussed. The present solutions have been compared with non-gravitational models of the comet C/1995 O1 Hale-Bopp.
Krolikowska Malgorzata
Sitarski Grzegorz
Szutowicz Slawomira
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