Comet Tempel 2: Orbit, ephemerides and error analysis

Details Comet Tempel 2: Orbit, ephemerides and error analysis Comet Tempel 2: Orbit, ephemerides and error analysis

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978stin...7832018y&link_type=abstract

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Physics

Celestial Mechanics, Comets, Error Analysis, Celestial Bodies, Comet Nuclei, Ephemerides, Rotation

Scientific paper

The dynamical behavior of comet Tempel 2 is investigated and the comet is found to be very well behaved and easily predictable. The nongravitational forces affecting the motion of this comet are the smallest of any comet that is affected by nongravitational forces. The sign and time history of these nongravitational forces imply (1) a direct rotation of the comet's nucleus and (2) the comet's ability to outgas has not changed substantially over its entire observational history. The well behaved dynamical motion of the comet, the well observed past apparitions, the small nongravitational forces and the excellent 1988 ground based observing conditions all contribute to relatively small position and velocity errors in 1988 -- the year of a proposed rendezvous space mission to this comet. To assist in planned ground based and earth orbital observations of this comet, ephemerides are given for the 1978-79, 1983-84 and 1988 apparitions.

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