Comet Shoemaker-Levy 9 Impact on Jupiter: Plume, Ejecta, and Scaling of Fragment Size

Details Comet Shoemaker-Levy 9 Impact on Jupiter: Plume, Ejecta, and Scaling of Fragment Size Comet Shoemaker-Levy 9 Impact on Jupiter: Plume, Ejecta, and Scaling of Fragment Size

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1305t&link_type=abstract

Lunar and Planetary Science, volume 27, page 1305

Computer Science

Numerical Analysis

Comets: Shoemaker-Levy 9, Ejecta: Impact, Explosive Impact, Jupiter, Plumes: Impact-Induced

Scientific paper

Three-dimensional numerical simulations of long-term plume evolution induced by the impact of comet Shoemaker-Levy 9 (SL9) are presented. Results show that at 6 minutes after the impact, the ejecta starts to fall back on the Jovian atmosphere and 'splash back' is observed. However, the initiating time of splash back largely depends on initial conditions of setting the heat source. Ejecta pattern observed by Hubble Space Telescope is also reproduced by a simple particle model, in which the fall back ejecta produces the crescent shape feature. Analytical scaling relation between the impact energy of fragments of SL9 and maximum plume heights is also presented. This scaling relation agrees with results of three-dimensional numerical analysis of impact of fragments of >= 0.5 km-size.

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