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Dating the Solar SystemÕs giant planet orbital instability using enstatite meteorites.

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Title: Dating the Solar SystemÕs giant planet orbital instability using enstatite meteorites.
Authors: Avdellidou, Chrysa, Delbo, Marco, Nesvorný, David, Walsh, Kevin J., Morbidelli, Alessandro
Source: Science (pre-March 2025). 4/19/2024, Vol. 384 Issue 6693, p348-352. 5p. 1 Color Photograph, 2 Diagrams.
Subjects: Gas giants, Solar system, Asteroids, Meteorites, Enstatite, Inner planets
Abstract: The giant planets of the Solar System formed on initially compact orbits, which transitioned to the current wider configuration by means of an orbital instability. The timing of that instability is poorly constrained. In this work, we use dynamical simulations to demonstrate that the instability implanted planetesimal fragments from the terrestrial planet region into the asteroid main belt. We use meteorite data to show that the implantation occurred >60 million years (Myr) after the Solar System began to form. Combining this constraint with a previous upper limit derived from JupiterÕs trojan asteroids, we conclude that the orbital instability occurred 60 to 100 Myr after the beginning of Solar System formation. The giant impact that formed the Moon occurred within this range, so it might be related to the giant planet instability. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Dating the Solar SystemÕs giant planet orbital instability using enstatite meteorites.
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  Data: <searchLink fieldCode="AR" term="%22Avdellidou%2C+Chrysa%22">Avdellidou, Chrysa</searchLink><br /><searchLink fieldCode="AR" term="%22Delbo%2C+Marco%22">Delbo, Marco</searchLink><br /><searchLink fieldCode="AR" term="%22Nesvorný%2C+David%22">Nesvorný, David</searchLink><br /><searchLink fieldCode="AR" term="%22Walsh%2C+Kevin+J%2E%22">Walsh, Kevin J.</searchLink><br /><searchLink fieldCode="AR" term="%22Morbidelli%2C+Alessandro%22">Morbidelli, Alessandro</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 4/19/2024, Vol. 384 Issue 6693, p348-352. 5p. 1 Color Photograph, 2 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Gas+giants%22">Gas giants</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+system%22">Solar system</searchLink><br /><searchLink fieldCode="DE" term="%22Asteroids%22">Asteroids</searchLink><br /><searchLink fieldCode="DE" term="%22Meteorites%22">Meteorites</searchLink><br /><searchLink fieldCode="DE" term="%22Enstatite%22">Enstatite</searchLink><br /><searchLink fieldCode="DE" term="%22Inner+planets%22">Inner planets</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The giant planets of the Solar System formed on initially compact orbits, which transitioned to the current wider configuration by means of an orbital instability. The timing of that instability is poorly constrained. In this work, we use dynamical simulations to demonstrate that the instability implanted planetesimal fragments from the terrestrial planet region into the asteroid main belt. We use meteorite data to show that the implantation occurred >60 million years (Myr) after the Solar System began to form. Combining this constraint with a previous upper limit derived from JupiterÕs trojan asteroids, we conclude that the orbital instability occurred 60 to 100 Myr after the beginning of Solar System formation. The giant impact that formed the Moon occurred within this range, so it might be related to the giant planet instability. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=176712350
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      – Type: doi
        Value: 10.1126/science.adg8092
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      – Code: eng
        Text: English
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        PageCount: 5
        StartPage: 348
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      – SubjectFull: Gas giants
        Type: general
      – SubjectFull: Solar system
        Type: general
      – SubjectFull: Asteroids
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      – SubjectFull: Meteorites
        Type: general
      – SubjectFull: Enstatite
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      – SubjectFull: Inner planets
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            – D: 19
              M: 04
              Text: 4/19/2024
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              Y: 2024
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              Value: 384
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