Maximum non-gravitational acceleration due to out-gassing cometary nuclei

Details Maximum non-gravitational acceleration due to out-gassing cometary nuclei Maximum non-gravitational acceleration due to out-gassing cometary nuclei

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991em%26p...52...87y&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 52, Jan. 1991, p. 87-92.

Other

8

Carbon Monoxide, Comet Nuclei, Gravitational Fields, Outgassing, Equations Of Motion, Maxwell Equation, Nitrogen, Surface Temperature, Water

Scientific paper

Maximum possible acceleration due to out-gassing from cometary nuclei is calculated for H2O and CO(N2) molecules. It is found that the maximum excess velocity at great distance is 0.18 km/s so that excess velocities less than this value are compatible with the nongravitational acceleration due to nonsymmetric out-gassing. On the other hand, Comet 1975q and Comet 1955V have excess velocities 0.81 and 0.80 km/s, respectively. These comets may be regarded as the candidates for possible interstellar comets.

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