Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005a%26a...431.1123m&link_type=abstract
Astronomy and Astrophysics, Volume 431, Issue 3, March I 2005, pp.1123-1127
Astronomy and Astrophysics
Astrophysics
32
Planets And Satellites: Individual: Earth, Planets And Satellites: Individual: Mercury, Meteors, Meteoroids
Scientific paper
In this work we present a new estimate of the meteoroid flux on Mercury. The flux has been obtained as a result of material delivery from both the 3:1 and ν6 resonances, and calibrated on the basis of the Earth meteoroid flux. Our model does not take into account non-gravitational forces, like the Poynting-Robertson effect, and for this reason it is suitable for bodies having dimension greater than about 1 cm. We also analyse the dependence of the predicted impactor flux on Mercury on meteoroid size. Possible asymmetries of the meteoroid flux over the surface (morning/evening hemispheres) and along the orbit (perihelion/aphelion) are also discussed.
Cremonese Gabriele
Marchi Simone
Morbidelli Alessandro
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