Dynamical simulations show mm-sized meteoroids impacting Earth below 17 km/s are mostly asteroidal if released in the last 150-200 kyr, with cometary fraction rising above that speed and dominating above 27 km/s.
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N-body simulations of main-belt asteroidal dust yield fluxes at inner planets that match scaled Grün and Müller models after calibration, with low-eccentricity grains dominating flux and high-eccentricity grains driving the high-velocity impact tail.
citing papers explorer
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The Dynamical Origin of Millimetre-Sized Sporadic Meteoroids
Dynamical simulations show mm-sized meteoroids impacting Earth below 17 km/s are mostly asteroidal if released in the last 150-200 kyr, with cometary fraction rising above that speed and dominating above 27 km/s.
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Modeling and Analysis of Main-Belt Asteroidal Dust Flux and Velocity Distribution at Inner Planets
N-body simulations of main-belt asteroidal dust yield fluxes at inner planets that match scaled Grün and Müller models after calibration, with low-eccentricity grains dominating flux and high-eccentricity grains driving the high-velocity impact tail.