The effect of Jupiter's mass growth on satellite capture - Retrograde case
Autor(a) principal: | |
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Data de Publicação: | 2004 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1051/0004-6361:20031645 http://hdl.handle.net/11449/24819 |
Resumo: | Gravitational capture can be used to explain the existence of the irregular satellites of giants planets. However, it is only the first step since the gravitational capture is temporary. Therefore, some kind of non-conservative effect is necessary to to turn the temporary capture into a permanent one. In the present work we study the effects of Jupiter mass growth for the permanent capture of retrograde satellites. An analysis of the zero velocity curves at the Lagrangian point L-1 indicates that mass accretion provides an increase of the confinement region ( delimited by the zero velocity curve, where particles cannot escape from the planet) favoring permanent captures. Adopting the restricted three-body problem, Sun-Jupiter-Particle, we performed numerical simulations backward in time considering the decrease of M-4. We considered initial conditions of the particles to be retrograde, at pericenter, in the region 100 R-4 less than or equal to a less than or equal to 400 R-4 and 0 less than or equal to e < 0.5. The results give Jupiter's mass at the moment when the particle escapes from the planet. Such values are an indication of the necessary conditions that could provide capture. An analysis of these results shows that retrograde satellites would be captured as soon as they get inside the Hills' radius and after that they keep migrating toward the planet while it is growing. For the region where the orbits of the four old retrograde satellites of Jupiter ( Ananke, Carme, Pasiphae and Sinope) are located we found that such satellites could have been permanently captured when Jupiter had between 62% and 93% of its present mass. |
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The effect of Jupiter's mass growth on satellite capture - Retrograde caseplanets and satellites : generalastrometrycelestial mechanicsGravitational capture can be used to explain the existence of the irregular satellites of giants planets. However, it is only the first step since the gravitational capture is temporary. Therefore, some kind of non-conservative effect is necessary to to turn the temporary capture into a permanent one. In the present work we study the effects of Jupiter mass growth for the permanent capture of retrograde satellites. An analysis of the zero velocity curves at the Lagrangian point L-1 indicates that mass accretion provides an increase of the confinement region ( delimited by the zero velocity curve, where particles cannot escape from the planet) favoring permanent captures. Adopting the restricted three-body problem, Sun-Jupiter-Particle, we performed numerical simulations backward in time considering the decrease of M-4. We considered initial conditions of the particles to be retrograde, at pericenter, in the region 100 R-4 less than or equal to a less than or equal to 400 R-4 and 0 less than or equal to e < 0.5. The results give Jupiter's mass at the moment when the particle escapes from the planet. Such values are an indication of the necessary conditions that could provide capture. An analysis of these results shows that retrograde satellites would be captured as soon as they get inside the Hills' radius and after that they keep migrating toward the planet while it is growing. For the region where the orbits of the four old retrograde satellites of Jupiter ( Ananke, Carme, Pasiphae and Sinope) are located we found that such satellites could have been permanently captured when Jupiter had between 62% and 93% of its present mass.UNESP, Grp Dinam Orbital & Planetol, BR-12516410 Guaratingueta, SP, BrazilUniv Estadual Paulista, IGCE, DEMAC, BR-13500970 Rio Claro, SP, BrazilUNESP, Grp Dinam Orbital & Planetol, BR-12516410 Guaratingueta, SP, BrazilUniv Estadual Paulista, IGCE, DEMAC, BR-13500970 Rio Claro, SP, BrazilE D P SciencesUniversidade Estadual Paulista (Unesp)Neto, E. V.Winter, O. C.Yokoyama, T.2014-02-26T17:17:34Z2014-05-20T14:16:03Z2014-02-26T17:17:34Z2014-05-20T14:16:03Z2004-02-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article727-734application/pdfhttp://dx.doi.org/10.1051/0004-6361:20031645Astronomy & Astrophysics. Les Ulis Cedexa: E D P Sciences, v. 414, n. 2, p. 727-734, 2004.0004-6361http://hdl.handle.net/11449/2481910.1051/0004-6361:20031645WOS:000188249200033WOS000188249200033.pdf5483476857978177Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAstronomy & Astrophysics2,265info:eu-repo/semantics/openAccess2024-01-24T06:34:41Zoai:repositorio.unesp.br:11449/24819Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-01-24T06:34:41Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
The effect of Jupiter's mass growth on satellite capture - Retrograde case |
title |
The effect of Jupiter's mass growth on satellite capture - Retrograde case |
spellingShingle |
The effect of Jupiter's mass growth on satellite capture - Retrograde case Neto, E. V. planets and satellites : general astrometry celestial mechanics |
title_short |
The effect of Jupiter's mass growth on satellite capture - Retrograde case |
title_full |
The effect of Jupiter's mass growth on satellite capture - Retrograde case |
title_fullStr |
The effect of Jupiter's mass growth on satellite capture - Retrograde case |
title_full_unstemmed |
The effect of Jupiter's mass growth on satellite capture - Retrograde case |
title_sort |
The effect of Jupiter's mass growth on satellite capture - Retrograde case |
author |
Neto, E. V. |
author_facet |
Neto, E. V. Winter, O. C. Yokoyama, T. |
author_role |
author |
author2 |
Winter, O. C. Yokoyama, T. |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Neto, E. V. Winter, O. C. Yokoyama, T. |
dc.subject.por.fl_str_mv |
planets and satellites : general astrometry celestial mechanics |
topic |
planets and satellites : general astrometry celestial mechanics |
description |
Gravitational capture can be used to explain the existence of the irregular satellites of giants planets. However, it is only the first step since the gravitational capture is temporary. Therefore, some kind of non-conservative effect is necessary to to turn the temporary capture into a permanent one. In the present work we study the effects of Jupiter mass growth for the permanent capture of retrograde satellites. An analysis of the zero velocity curves at the Lagrangian point L-1 indicates that mass accretion provides an increase of the confinement region ( delimited by the zero velocity curve, where particles cannot escape from the planet) favoring permanent captures. Adopting the restricted three-body problem, Sun-Jupiter-Particle, we performed numerical simulations backward in time considering the decrease of M-4. We considered initial conditions of the particles to be retrograde, at pericenter, in the region 100 R-4 less than or equal to a less than or equal to 400 R-4 and 0 less than or equal to e < 0.5. The results give Jupiter's mass at the moment when the particle escapes from the planet. Such values are an indication of the necessary conditions that could provide capture. An analysis of these results shows that retrograde satellites would be captured as soon as they get inside the Hills' radius and after that they keep migrating toward the planet while it is growing. For the region where the orbits of the four old retrograde satellites of Jupiter ( Ananke, Carme, Pasiphae and Sinope) are located we found that such satellites could have been permanently captured when Jupiter had between 62% and 93% of its present mass. |
publishDate |
2004 |
dc.date.none.fl_str_mv |
2004-02-01 2014-02-26T17:17:34Z 2014-05-20T14:16:03Z 2014-02-26T17:17:34Z 2014-05-20T14:16:03Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1051/0004-6361:20031645 Astronomy & Astrophysics. Les Ulis Cedexa: E D P Sciences, v. 414, n. 2, p. 727-734, 2004. 0004-6361 http://hdl.handle.net/11449/24819 10.1051/0004-6361:20031645 WOS:000188249200033 WOS000188249200033.pdf 5483476857978177 |
url |
http://dx.doi.org/10.1051/0004-6361:20031645 http://hdl.handle.net/11449/24819 |
identifier_str_mv |
Astronomy & Astrophysics. Les Ulis Cedexa: E D P Sciences, v. 414, n. 2, p. 727-734, 2004. 0004-6361 10.1051/0004-6361:20031645 WOS:000188249200033 WOS000188249200033.pdf 5483476857978177 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Astronomy & Astrophysics 2,265 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
727-734 application/pdf |
dc.publisher.none.fl_str_mv |
E D P Sciences |
publisher.none.fl_str_mv |
E D P Sciences |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1803047431499153408 |