Effects of tidal torques on 1I/2017 U1 (‘Oumuamua)

As observations of ‘Oumuamua were collected well into the outbound component of its hyperbolic orbit, it is not obvious what effects Sol had on its rotational dynamics. Therefore, we simulate ‘Oumuamua as a prolate spheroid and triaxial ellipsoid of uniform mass density and show that the experimenta...

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Main Authors: Kwiecinski, J, Krause, A, Van Gorder, R
Format: Journal article
Published: Elsevier 2018
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author Kwiecinski, J
Krause, A
Van Gorder, R
author_facet Kwiecinski, J
Krause, A
Van Gorder, R
author_sort Kwiecinski, J
collection OXFORD
description As observations of ‘Oumuamua were collected well into the outbound component of its hyperbolic orbit, it is not obvious what effects Sol had on its rotational dynamics. Therefore, we simulate ‘Oumuamua as a prolate spheroid and triaxial ellipsoid of uniform mass density and show that the experimentally observed angular velocities remain largely unchanged during ‘Oumuamua’s flyby, supporting previous work suggesting that, in the absence of a collision during its interstellar journey, the asteroid was tumbling in the same manner as when it left its original solar system.
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spelling oxford-uuid:c80c9ccd-5cc4-4f2d-a92c-0319f01d7c4a2022-03-27T06:49:33ZEffects of tidal torques on 1I/2017 U1 (‘Oumuamua)Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:c80c9ccd-5cc4-4f2d-a92c-0319f01d7c4aSymplectic Elements at OxfordElsevier2018Kwiecinski, JKrause, AVan Gorder, RAs observations of ‘Oumuamua were collected well into the outbound component of its hyperbolic orbit, it is not obvious what effects Sol had on its rotational dynamics. Therefore, we simulate ‘Oumuamua as a prolate spheroid and triaxial ellipsoid of uniform mass density and show that the experimentally observed angular velocities remain largely unchanged during ‘Oumuamua’s flyby, supporting previous work suggesting that, in the absence of a collision during its interstellar journey, the asteroid was tumbling in the same manner as when it left its original solar system.
spellingShingle Kwiecinski, J
Krause, A
Van Gorder, R
Effects of tidal torques on 1I/2017 U1 (‘Oumuamua)
title Effects of tidal torques on 1I/2017 U1 (‘Oumuamua)
title_full Effects of tidal torques on 1I/2017 U1 (‘Oumuamua)
title_fullStr Effects of tidal torques on 1I/2017 U1 (‘Oumuamua)
title_full_unstemmed Effects of tidal torques on 1I/2017 U1 (‘Oumuamua)
title_short Effects of tidal torques on 1I/2017 U1 (‘Oumuamua)
title_sort effects of tidal torques on 1i 2017 u1 oumuamua
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AT krausea effectsoftidaltorqueson1i2017u1oumuamua
AT vangorderr effectsoftidaltorqueson1i2017u1oumuamua