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Possible effects of secular resonances in Phobos and Triton

dc.contributor.authorYokoyama, T.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-02-26T17:13:09Z
dc.date.accessioned2014-05-20T14:16:03Z
dc.date.available2014-02-26T17:13:09Z
dc.date.available2014-05-20T14:16:03Z
dc.date.issued2002-01-01
dc.description.abstractDue to the tides, the orbits of Phobos and Triton are contracting. While their semi major axes are decreasing, several possibilities of secular resonances involving node, argument of the pericenter and mean motion of the Sun will take place. In the case of Mars, if the obliquity (epsilon), during the passage through some resonances, is not so small, very significant variations of the inclination will appear. In one case, capture is almost certain provided that epsilon greater than or equal to 20degrees. For Triton there are also similar situations, but capture seems to be not possible, mainly because in S-1 state, Triton's orbit is sufficiently inclined (far) with respect to the Neptune's equator. Following Chyba et al. (Astron. Astrophys. 219 (1989) 123), a simplified equation that gives the evolution of the inclination versus the semi major axis, is derived. The time needed for Triton crash onto Neptune is longer than that one obtained by these authors, but the main difference is due to the new data used here. In general, even in the case of non-capture passages, some significant jumps in inclination and in eccentricities are possible. (C) 2002 Elsevier B.V. Ltd. All rights reserved.en
dc.description.affiliationUNESP, IGCE, DEMAC, BR-13500970 Rio Claro, Brazil
dc.description.affiliationUnespUNESP, IGCE, DEMAC, BR-13500970 Rio Claro, Brazil
dc.format.extent63-77
dc.identifierhttp://dx.doi.org/10.1016/S0032-0633(01)00078-2
dc.identifier.citationPlanetary and Space Science. Oxford: Pergamon-Elsevier B.V., v. 50, n. 1, p. 63-77, 2002.
dc.identifier.doi10.1016/S0032-0633(01)00078-2
dc.identifier.issn0032-0633
dc.identifier.lattes5483476857978177
dc.identifier.urihttp://hdl.handle.net/11449/24817
dc.identifier.wosWOS:000174553000008
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPlanetary and Space Science
dc.relation.ispartofjcr1.820
dc.relation.ispartofsjr1,065
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectPhobospt
dc.subjectTritonpt
dc.subjectsatellite dynamicspt
dc.subjecttidespt
dc.subjectorbital evolutionpt
dc.subjectcelestial mechanicspt
dc.titlePossible effects of secular resonances in Phobos and Tritonen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes5483476857978177
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Geociências e Ciências Exatas, Rio Claropt
unesp.departmentEstatística, Matemática Aplicada e Computação - IGCEpt

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