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The Asteroid-Comet Continuum

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arxiv 2203.01397 v3 pith:UDQDM2FN submitted 2022-03-02 astro-ph.EP

classification astro-ph.EP
keywords continuumsolarsystemasteroid-cometasteroidsbodiescometsdiscuss
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The practical distinctions between asteroids and comets, viewed as products of accretion on either side of the snow line, are less clear-cut than previously understood. In this chapter, we discuss the numerous solar system populations which have physical and dynamical properties that conflict with any simple diagnosis of their nature and origin. Studies of these so-called "continuum" or "transition objects", which include many of the most intriguing bodies in the solar system, have implications for a broad range of scientific topics from the demise of comets and the activation of asteroids to the production of interplanetary debris and the origin of the terrestrial planet volatiles. We present an overview of the current state of knowledge concerning the asteroid-comet continuum and discuss the numerous physical processes behind the activity shown by small bodies in the solar system.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 17 citations worldwide. Full citation record

  1. Recurrent Cometary Activity Discovered on Quasi-Hilda Jupiter Family Comet 362P/(457175) 2008 GO98

    astro-ph.EP 2025-07 conditional novelty 7.0 of 10

    362P was active again near its 2024 perihelion, and archival images show it was also active during its 2016 apparition, supporting recurrent thermally-driven cometary activity.

  2. An impact-free mechanism to deliver water to terrestrial planets and exoplanets

    astro-ph.EP 2024-12 conditional novelty 6.0 of 10

    Sublimation of ice from a young, massive asteroid belt can form a viscous water-vapor disk that delivers Earth's ocean inventory without impacts.

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