http://www.cnr.it/ontology/cnr/individuo/prodotto/ID278570
Effect of rotational disruption on the size-frequency distribution of the Main Belt asteroid population (Articolo in rivista)
- Type
- Label
- Effect of rotational disruption on the size-frequency distribution of the Main Belt asteroid population (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1093/mnrasl/slu006 (literal)
- Alternative label
Seth A. Jacobson, Francesco Marzari, Alessandro Rossi, Daniel J. Scheeres, Donald R. Davis (2014)
Effect of rotational disruption on the size-frequency distribution of the Main Belt asteroid population
in Monthly notices of the Royal Astronomical Society (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Seth A. Jacobson, Francesco Marzari, Alessandro Rossi, Daniel J. Scheeres, Donald R. Davis (literal)
- Pagina inizio
- Pagina fine
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- Rivista
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Department of Astrophysical and Planetary Sciences, UCB 391, University of Colorado, Boulder, CO 80309-0391, USA
Lagrange, Observatoire de la C^ te d'Azur, Boulevard de l'Observatoire, F-06304 Nice Cedex 4, France
Bayerisches Geoinstitut, Universt ? t Bayreuth, D-95440 Bayreuth, Germany
Dipartimento di Fisica, Universit` di Padova, I-35131 Padova, Italy
IFAC-CNR, I-50019 Sesto Fiorentino, Firenze, Italy
Department of Aerospace and Engineering Sciences, UCB 429, University of Colorado, Boulder, CO 80309-0429, USA
7 Planetary Science Institute, 1700 East Fort Lowell Road, Suite 106, Tucson, AZ 85719, USA (literal)
- Titolo
- Effect of rotational disruption on the size-frequency distribution of the Main Belt asteroid population (literal)
- Abstract
- The size distribution of small asteroids in the Main Belt is assumed to be determined by an
equilibrium between the creation of new bodies out of the impact debris of larger asteroids
and the destruction of small asteroids by collisions with smaller projectiles. However, for
a diameter less than 6 km, we find that YORP-induced rotational disruption significantly
contributes to the erosion even exceeding the effects of collisional fragmentation. Including
this additional grinding mechanism in a collision evolution model for the asteroid belt, we
generate size-frequency distributions from either an accretional or an 'Asteroids were born big'
initial size-frequency distribution that are consistent with observations reported in Gladman
et al. Rotational disruption is a new mechanism that must be included in all future collisional
evolution models of asteroids. (literal)
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