Asteroid flux and impact cratering rate on Venus

Details Asteroid flux and impact cratering rate on Venus Asteroid flux and impact cratering rate on Venus

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pggp.rept..389s&link_type=abstract

In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990 p 389-390 (SEE N92-10728 01-91)

Mathematics

Probability

Asteroids, Cratering, Meteorite Collisions, Meteorite Craters, Orbit Calculation, Orbital Mechanics, Venus (Planet), Venus Surface, Astronomical Models, Hypervelocity Impact, Long Term Effects, Numerical Integration, Orbit Perturbation, Planetary Evolution, Probability Theory

Scientific paper

By the end of 1990, 65 Venus-crossing asteroids were recognized; these represent 59 percent of the known Earth-crossing asteroids. Further studies, chiefly numerical integrations of orbit evolution, may reveal one or two more Venus crossers among the set of discovered asteroids. A Venus crosser was defined as an asteroid whose orbit can intersect the orbit of Venus as a result of secular (long range) perturbations. Venus crossers revolving on orbits that currently overlap the orbit of Venus are called Venapol asteroids, and those on orbit that don't overlap are called Venamor asteroids; 42 Venapols and 23 Venamors were recognized. Collision probabilities with Venus for 60 of the known Venus crossers were determined.

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