Halley's spin state determined

Details Halley's spin state determined Halley's spin state determined

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991plas.rept..143b&link_type=abstract

In NASA, Washington, Reports of Planetary Astronomy, 1991 p 143 (SEE N92-12792 03-89)

Astronomy and Astrophysics

Astronomy

1

Angular Momentum, Astronomical Models, Comet Nuclei, Flyby Missions, Halley'S Comet, Spin Dynamics, Axes Of Rotation, Chemical Properties, Giotto Mission, Image Analysis, Physical Properties, Vega Project

Scientific paper

Since VEGA and GIOTTO flybys of comet Halley, there was a rising controversy about the nature of the spin state of its nucleus. The problem was resolved by M. J. S. Belton et al., who found a spin state that simultaneously satisfies the VEGA and GIOTTO imaging data and a wide range of ground-based data. The total spin is not fixed in the nucleus but is inclined to the total angular momentum vector at an average angle of 21.4 deg and precesses around it with an average period of 3.69 days.

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