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Communication Dans Un Congrès Année : 2014

The compositional distribution of asteroids

Résumé

Each compositional class of asteroid is a relic of the temperature and composition conditions in which it formed. The current distribution reveals the history of the Solar System, and each body acts as a marker of any mixing that occurred since formation. The remnant of a primordial temperature gradient, seen as transition from the S class to C class dominating in different regions of the asteroid belt has been a paradigm for three decades [1-4]. Today, we are armed with major advancements from the past decade that have revolutionized the field of asteroids in areas such as discovery, physical characterization, and dynamical models. A new and more detailed compositional map [5,6] created with data from the Sloan Digital Sky Survey [7] allows us to re-examine compositional trends in the main asteroid belt and what the physical and dynamical implications might be. This talk is related to recent work from DeMeo & Carry 2013, 2014 [5,6] and an upcoming chapter of the "Asteroids IV" book in 2015.
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hal-03744095 , version 1 (02-08-2022)

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Francesca E. Demeo, Benoît Carry, C. Alexander, Kevin J. Walsh, C. Chapman. The compositional distribution of asteroids. Asteroids, Comets, Meteors 2014, Jun 2014, Helsinki, Finland. ⟨hal-03744095⟩
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