Effects of YORP-Induced Rotational Fission on the Asteroid Size Distribution at the Small Size End (Abstract/Poster in atti di convegno)

Type
Label
  • Effects of YORP-Induced Rotational Fission on the Asteroid Size Distribution at the Small Size End (Abstract/Poster in atti di convegno) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Alternative label
  • [1] Rossi A., [2] Marzari F., [3] Scheeres D. J., [4] Jacobson S. (2012)
    Effects of YORP-Induced Rotational Fission on the Asteroid Size Distribution at the Small Size End
    in 43rd Lunar and Planetary Science Conference, The Woddland, Texas (USA), 19-23 March, 2012
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • [1] Rossi A., [2] Marzari F., [3] Scheeres D. J., [4] Jacobson S. (literal)
Pagina inizio
  • 2095 (literal)
Pagina fine
  • 2095 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.lpi.usra.edu/meetings/lpsc2012/pdf/2095.pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • 43rd Lunar and Planetary Science Conference (literal)
Note
  • PuMa (literal)
  • Abstract (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [1] ISTI-CNR, Pisa, Italy; [2] Universita' di Padova, Dipartimento di Fisica, Italy; [3] Department of Aerospace Engineering Sciences, University of Colorado, USA; [4] Department of Astrophysical and Planetary Sciences, University of Colorado, USA (literal)
Titolo
  • Effects of YORP-Induced Rotational Fission on the Asteroid Size Distribution at the Small Size End (literal)
Abstract
  • The asteroid belt size distribution has been shaped by collisions slowly grinding the population away into smaller bodies via cratering or fragmentation. However, at the small size end YORP may contribute to the erosion process by accelerating the rotation rate of small asteroids beyond their disruption spin limit causing mass shedding and fission. This can explain why, according to NEOWISE, the slope of NEOs is about -1.32, significantly less steep than previous estimates which accounted for the Yarkovsky steepening effect. (literal)
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