Triton and Pluto: same origin but separated at birth

Fuente: arXiv
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Autori principali: Mousis, Olivier, Anderson, Sarah E., Luspay-Kuti, Adrienn, Mandt, Kathleen E., Vernazza, Pierre
Natura: Preprint
Pubblicazione: 2024
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author Mousis, Olivier
Anderson, Sarah E.
Luspay-Kuti, Adrienn
Mandt, Kathleen E.
Vernazza, Pierre
author_facet Mousis, Olivier
Anderson, Sarah E.
Luspay-Kuti, Adrienn
Mandt, Kathleen E.
Vernazza, Pierre
contents Assessing the origin of Pluto and Triton has profound implications for the bigger picture of Solar System formation and evolution. In such a context, this chapter reviews our current knowledge of the formation conditions of Pluto and Triton's constitutive building blocks in the protosolar nebula, which can be derived from their known or estimated volatile contents. Assuming that the ultravolatiles carbon monoxide and dinitrogen detected in Pluto and Triton are primordial, the presence of these molecules suggest that the two bodies accreted material originating from the vicinity of the carbon monoxide and dinitrogen icelines. Dinitrogen--rich and water--poor comets such as comet C/2016 R2 (PanSTARRS) obviously present a compositional link with Pluto and Triton, indicating that their building blocks formed in nearby regions of the protosolar nebula, despite of the variation of the water abundance among those bodies. Also, the assumption of Triton's growth in Neptune's circumplanetary disk requires that its building blocks formed at earlier epochs in the protosolar nebula, to remain consistent with its estimated composition.
format Preprint
id arxiv_https___arxiv_org_abs_2406_03815
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Triton and Pluto: same origin but separated at birth
Mousis, Olivier
Anderson, Sarah E.
Luspay-Kuti, Adrienn
Mandt, Kathleen E.
Vernazza, Pierre
Earth and Planetary Astrophysics
Assessing the origin of Pluto and Triton has profound implications for the bigger picture of Solar System formation and evolution. In such a context, this chapter reviews our current knowledge of the formation conditions of Pluto and Triton's constitutive building blocks in the protosolar nebula, which can be derived from their known or estimated volatile contents. Assuming that the ultravolatiles carbon monoxide and dinitrogen detected in Pluto and Triton are primordial, the presence of these molecules suggest that the two bodies accreted material originating from the vicinity of the carbon monoxide and dinitrogen icelines. Dinitrogen--rich and water--poor comets such as comet C/2016 R2 (PanSTARRS) obviously present a compositional link with Pluto and Triton, indicating that their building blocks formed in nearby regions of the protosolar nebula, despite of the variation of the water abundance among those bodies. Also, the assumption of Triton's growth in Neptune's circumplanetary disk requires that its building blocks formed at earlier epochs in the protosolar nebula, to remain consistent with its estimated composition.
title Triton and Pluto: same origin but separated at birth
topic Earth and Planetary Astrophysics
url https://arxiv.org/abs/2406.03815