An interstellar origin for Jupiter’s retrograde co-orbital asteroid
Abstract Asteroid (514107) 2015 BZ509 was discovered recently in Jupiter’s co-orbital region with a retrograde motion around the Sun. The known chaotic dynamics of the outer Solar system have so far precluded the identification of its origin. Here, we perform a high-resolution statistical search for...
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Veröffentlicht in: | Monthly notices of the Royal Astronomical Society. Letters 2018-06, Vol.477 (1), p.L117-L121 |
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creator | Namouni, F Morais, M H M |
description | Abstract
Asteroid (514107) 2015 BZ509 was discovered recently in Jupiter’s co-orbital region with a retrograde motion around the Sun. The known chaotic dynamics of the outer Solar system have so far precluded the identification of its origin. Here, we perform a high-resolution statistical search for stable orbits and show that asteroid (514107) 2015 BZ509 has been in its current orbital state since the formation of the Solar system. This result indicates that (514107) 2015 BZ509 was captured from the interstellar medium 4.5 billion years in the past as planet formation models cannot produce such a primordial large-inclination orbit with the planets on nearly coplanar orbits interacting with a coplanar debris disc that must produce the low-inclination small-body reservoirs of the Solar system such as the asteroid and Kuiper belts. This result also implies that more extrasolar asteroids are currently present in the Solar system on nearly polar orbits. |
doi_str_mv | 10.1093/mnrasl/sly057 |
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Asteroid (514107) 2015 BZ509 was discovered recently in Jupiter’s co-orbital region with a retrograde motion around the Sun. The known chaotic dynamics of the outer Solar system have so far precluded the identification of its origin. Here, we perform a high-resolution statistical search for stable orbits and show that asteroid (514107) 2015 BZ509 has been in its current orbital state since the formation of the Solar system. This result indicates that (514107) 2015 BZ509 was captured from the interstellar medium 4.5 billion years in the past as planet formation models cannot produce such a primordial large-inclination orbit with the planets on nearly coplanar orbits interacting with a coplanar debris disc that must produce the low-inclination small-body reservoirs of the Solar system such as the asteroid and Kuiper belts. This result also implies that more extrasolar asteroids are currently present in the Solar system on nearly polar orbits.</description><identifier>ISSN: 1745-3925</identifier><identifier>ISSN: 1745-3933</identifier><identifier>EISSN: 1745-3933</identifier><identifier>DOI: 10.1093/mnrasl/sly057</identifier><language>eng</language><publisher>Oxford University Press</publisher><subject>Astrophysics ; Physics</subject><ispartof>Monthly notices of the Royal Astronomical Society. Letters, 2018-06, Vol.477 (1), p.L117-L121</ispartof><rights>2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society 2018</rights><rights>Attribution</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c409t-b064f5841112abf2b12b432a7335e6948796302f09c67b4bfab383d62555abd83</citedby><cites>FETCH-LOGICAL-c409t-b064f5841112abf2b12b432a7335e6948796302f09c67b4bfab383d62555abd83</cites><orcidid>0000-0002-0246-3303 ; 0000-0001-5333-2736</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,1604,27924,27925</link.rule.ids><linktorsrc>$$Uhttps://dx.doi.org/10.1093/mnrasl/sly057$$EView_record_in_Oxford_University_Press$$FView_record_in_$$GOxford_University_Press</linktorsrc><backlink>$$Uhttps://hal.science/hal-02398840$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Namouni, F</creatorcontrib><creatorcontrib>Morais, M H M</creatorcontrib><title>An interstellar origin for Jupiter’s retrograde co-orbital asteroid</title><title>Monthly notices of the Royal Astronomical Society. Letters</title><description>Abstract
Asteroid (514107) 2015 BZ509 was discovered recently in Jupiter’s co-orbital region with a retrograde motion around the Sun. The known chaotic dynamics of the outer Solar system have so far precluded the identification of its origin. Here, we perform a high-resolution statistical search for stable orbits and show that asteroid (514107) 2015 BZ509 has been in its current orbital state since the formation of the Solar system. This result indicates that (514107) 2015 BZ509 was captured from the interstellar medium 4.5 billion years in the past as planet formation models cannot produce such a primordial large-inclination orbit with the planets on nearly coplanar orbits interacting with a coplanar debris disc that must produce the low-inclination small-body reservoirs of the Solar system such as the asteroid and Kuiper belts. This result also implies that more extrasolar asteroids are currently present in the Solar system on nearly polar orbits.</description><subject>Astrophysics</subject><subject>Physics</subject><issn>1745-3925</issn><issn>1745-3933</issn><issn>1745-3933</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkL1OwzAURi0EEqUwsnuEIdS_sT1WVaGgSiwwW3ZiFyM3ruwUqRuvwevxJKQKYmW6V_c73x0OANcY3WGk6GzbZVPirMQD4uIETLBgvKKK0tO_nfBzcFHKO0JUSCEnYDnvYOh6l0vvYjQZphw2oYM-Zfi034Uh-f78KjC7PqdNNq2DTapStqE3EZqhlVNoL8GZN7G4q985Ba_3y5fFqlo_Pzwu5uuqYUj1lUU181wyjDEx1hOLiWWUGEEpd7ViUqiaIuKRamphmfXGUknbmnDOjW0lnYLb8e-biXqXw9bkg04m6NV8rY83RKiSkqEPPLDVyDY5lZKd_ytgpI--9OhLj74G_mbk0373D_oDrD5uwg</recordid><startdate>20180611</startdate><enddate>20180611</enddate><creator>Namouni, F</creator><creator>Morais, M H M</creator><general>Oxford University Press</general><general>Oxford Journals</general><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0002-0246-3303</orcidid><orcidid>https://orcid.org/0000-0001-5333-2736</orcidid></search><sort><creationdate>20180611</creationdate><title>An interstellar origin for Jupiter’s retrograde co-orbital asteroid</title><author>Namouni, F ; Morais, M H M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c409t-b064f5841112abf2b12b432a7335e6948796302f09c67b4bfab383d62555abd83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Astrophysics</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Namouni, F</creatorcontrib><creatorcontrib>Morais, M H M</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Monthly notices of the Royal Astronomical Society. Letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Namouni, F</au><au>Morais, M H M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An interstellar origin for Jupiter’s retrograde co-orbital asteroid</atitle><jtitle>Monthly notices of the Royal Astronomical Society. Letters</jtitle><date>2018-06-11</date><risdate>2018</risdate><volume>477</volume><issue>1</issue><spage>L117</spage><epage>L121</epage><pages>L117-L121</pages><issn>1745-3925</issn><issn>1745-3933</issn><eissn>1745-3933</eissn><abstract>Abstract
Asteroid (514107) 2015 BZ509 was discovered recently in Jupiter’s co-orbital region with a retrograde motion around the Sun. The known chaotic dynamics of the outer Solar system have so far precluded the identification of its origin. Here, we perform a high-resolution statistical search for stable orbits and show that asteroid (514107) 2015 BZ509 has been in its current orbital state since the formation of the Solar system. This result indicates that (514107) 2015 BZ509 was captured from the interstellar medium 4.5 billion years in the past as planet formation models cannot produce such a primordial large-inclination orbit with the planets on nearly coplanar orbits interacting with a coplanar debris disc that must produce the low-inclination small-body reservoirs of the Solar system such as the asteroid and Kuiper belts. This result also implies that more extrasolar asteroids are currently present in the Solar system on nearly polar orbits.</abstract><pub>Oxford University Press</pub><doi>10.1093/mnrasl/sly057</doi><orcidid>https://orcid.org/0000-0002-0246-3303</orcidid><orcidid>https://orcid.org/0000-0001-5333-2736</orcidid><oa>free_for_read</oa></addata></record> |
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title | An interstellar origin for Jupiter’s retrograde co-orbital asteroid |
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