Other
Scientific paper
Jun 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ldef.symp...56d&link_type=abstract
In NASA. Langley Research Center, Second LDEF Post-Retrieval Symposium Abstracts p 56 (SEE N92-27218 18-99)
Other
Hypervelocity Impact, Long Duration Exposure Facility, Mathematical Models, Meteoritic Damage, Meteoroid Concentration, Meteoroids, Prediction Analysis Techniques, Zodiacal Light, Fluence, Galileo Spacecraft, Ulysses Mission
Scientific paper
An extensive body of data, from meteors, zodiacal light, spacecraft-borne impact detectors (helios, Pioneer, Galileo, and Ulysses), and other sources, forms the basis of a new numerical model for the distributions of interplanetary meteoroids. For each of the five populations in this model it is possible to evaluate meteoroid concentration and flux for oriented surfaces or detectors having arbitrary position and velocity in interplanetary space (Divine, 1992, in preparation). For a spacecraft in geocentric orbit, the effects of gravitational focusing and shielding by the Earth were derived with full attention to the directionality of the particles, both on approach (i.e., relative to a massless Earth) and at the target. This modeling approach was exercised to provide an estimate of meteoroid fluence for each of several oriented surfaces on the Long Duration Exposure Facility (LDEF).
Aguero Rene C.
Divine Neil
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