The surface sensitivity of rubble-pile asteroids during a distant planetary encounter: Influence of asteroid shape elongation

The surface sensitivity of rubble-pile asteroids during a distant planetary encounter: Influence of asteroid shape elongation

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© 2020 Elsevier Inc. We numerically investigate how an asteroid's elongation controls the sensitivity of its surface to tidal effects during a distant planetary encounter beyond the Roche limit. We analyze the surface slope and its variation by considering the shape elongation, as well as the s...

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Bibliographic Details
Main Authors: Kim, Yaeji, Hirabayashi, Masatoshi, Binzel, Richard P, Brozović, Marina, Scheeres, Daniel J, Richardson, Derek C
Format: Article
Language:English
Published: Elsevier BV 2021
Online Access:https://hdl.handle.net/1721.1/133771
Description
Summary:© 2020 Elsevier Inc. We numerically investigate how an asteroid's elongation controls the sensitivity of its surface to tidal effects during a distant planetary encounter beyond the Roche limit. We analyze the surface slope and its variation by considering the shape elongation, as well as the spin period and orbital conditions. A more elongated asteroid tends to have a higher slope variation, while there may not be a monotonic increase of the total area having such a variation.

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