The origin of the moon and the single impact hypothesis. III

Details The origin of the moon and the single impact hypothesis. III The origin of the moon and the single impact hypothesis. III

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...81..113b&link_type=abstract

Icarus (ISSN 0019-1035), vol. 81, Sept. 1989, p. 113-131. Research supported by SNSF.

Computer Science

93

Earth-Moon System, Gravitational Effects, Lunar Evolution, Roche Limit, Angular Momentum, Equations Of State, Mass Distribution, Mass Ratios, Moon, Origin, Formation, Impacts, Hypotheses, Theoretical Studies, Collisions, Equations Of State, Parameters, Models, Simulations, Mass, Distribution, Composition, Radius, Disk, Calculations, Angular Momentum, Diagrams

Scientific paper

Calculations of the single-impact hypothesis for the origin of the moon were performed using the smoothed particle hydrodynamics (SPH) code developed by Benz et al. (1986). Results are presented from calculations of a relatively low-level collision with an impactor mass in the range 6-8 x 10 to the 26th g. Several runs of the calculations are conducted for this mass range with variations in the SPH code, the equation of state, and the initial planetary models. The effects of these variations are compared. It is found that the orbiting mass is injected by gravitational torques.

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