Retrograde spins of near-Earth asteroids from the Yarkovsky effect

  title={Retrograde spins of near-Earth asteroids from the Yarkovsky effect},
  author={Alessandro La Spina and Paolo Paolicchi and A. Kryszczyńska and Petr Pravec},
Dynamical resonances in the asteroid belt are the gateway for the production of near-Earth asteroids (NEAs). To generate the observed number of NEAs, however, requires the injection of many asteroids into those resonant regions. Collisional processes have long been claimed as a possible source, but difficulties with that idea have led to the suggestion that orbital drift arising from the Yarkovsky effect dominates the injection process. (The Yarkovsky effect is a force arising from differential… CONTINUE READING

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