Asteroid encounters suitable for mass determinations
作者： A Galád , B Gray , None
DOI: 10.1051/0004-6361:20020810
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摘要: As in a previous paper (Galad 2001), the search for eective perturbers among asteroids is done using same method and during time period. The only dierence number of that were processed - 24 599 instead 9511. Special attention paid to comparison between perturbations due (2) Pallas (10) Hygiea. It confirmed latter has larger eect on motion main belt asteroids, perhaps by factor three. This reason include its mass asteroid orbit determinations. In addition Big Four (1) Ceres, Pallas, (4) Vesta, Hygiea masses many other large such as (11) Parthenope, (13) Egeria, (15) Eunomia, (16) Psyche, (24) Themis, (29) Amphitrite, (39) Laetitia, (45) Eugenia, (52) Europa, (65) Cybele, (121) Hermione, (451) Patientia, (511) Davida, could be achieved end this decade astrometric data. general, over next small (with much higher numbers than above) will used more thoroughly determination asteroids.
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