Spheroidal models of the exterior gravitational field of Asteroids Bennu and Castalia
Icarus（2016）
Abstract
•The gravitational field of the shape model is converted to the oblate and the prolate spheroidal harmonic representation.•High-frequency effects are mitigated by increasing the maximum degree.•The behavior of the harmonic series is studied near the Brillouin spheroid•Gravitational field data sets for Bennu and Castalia are provided.
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Key words
Asteroids, surfaces,Near-Earth objects,Geophysics
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