Precession model for the nucleus of periodic Comet Kopff

Details Precession model for the nucleus of periodic Comet Kopff Precession model for the nucleus of periodic Comet Kopff

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89.1573s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, Oct. 1984, p. 1573-1586. NASA-supported research.

Astronomy and Astrophysics

Astronomy

49

Astronomical Models, Astronomical Photometry, Comet Nuclei, Precession, Brightness, Light Curve, Nasa Programs, Orbital Elements, Spaceborne Astronomy, Comets, Precession, Models, Comet Nuclei, Kopff, Lightcurves, Comae, Brightness, Orbits, Motion, Physical Properties, Mission Planning, Torque, Outgassing, Obliquity, Mass, Rotation, Velocity, Period, Analysis, Magnetude, Albedo, Comparisons

Scientific paper

The existing data base on certain characteristics of the periodic Comet Kopff, a candidate for a NASA rendezvous mission in the 1990s, is summarized. The comet was discovered in 1906. The data are used to calculate limits to the nuclear mass (0.7-1.5 x 10 to the 16th g), equatorial radius (1.26-1.64 km), and a geometric albedo of 0.08. An equatorial rotation velocity of 8.1-10.7 hr is projected. The estimates are highly dependent on the present photometric data, which in turn depend on the insolation rate, which if different than assumed could mean that all parameters would be revised upward significantly.

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