论文信息 - The meteoroid environment near Earth

The meteoroid environment near Earth

An upgraded model of the interplanetary meteoroid environment, which is based on the ‘Five populations of interplanetary meteoroids’ model of Divine (1993), has been developed to synthesize data from in-situ detection by spacecraft, meteor observations, groundbased zodiacal light, and analysis of lunar microcraters. New model populations have been defined taking into account particle impact velocities and impact directions measured with GALILEO and ULYSSES dust detectors. Both, elliptical and hyperbolic meteoroid populations have been included considering the radiation pressure of the Sun. Particle fluxes for different mass thresholds have been calculated for surface elements of satellites retrieved from space (LDEF, EuReCa and HST solar array) taking into account both gravitational focusing and planetary shielding of the Earth.

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