Rotation and precession of comet Halley

Details Rotation and precession of comet Halley Rotation and precession of comet Halley

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.327...27w&link_type=abstract

Nature (ISSN 0028-0836), vol. 327, May 7, 1987, p. 27-30. Research supported by BMFT, Max-Planck-Gesellschaft and DFVLR.

Physics

43

Comet Nuclei, Euler Equations Of Motion, Halley'S Comet, Perihelions, Precession, Rotation, Angular Velocity, Power Spectra, Comets, Halley, Rotation, Precession, Comet Nuclei, Motion, Periodicity, Calculations, Spacecraft Observations, Earth-Based Observations, Models, Torque, Angular Momentum

Scientific paper

Euler's equations in their general form are numerically integrated using measurements obtained during the recent appearance of comet Halley. The results suggest that the cometary nucleus undergoes free and forced precession motions. Periodicities of 2.2 and 7.4 days can be explained by a 2.2-day rotation about the minor axis and a free-precessional period of 14.8 days.

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