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Non-gravitational Perturbations and Virtual Impactors: the case of asteroid 2009 FD
F. Spoto, A. Milani, D. Farnocchia +5
Asteroid 2009 FD could impact Earth between 2185 and 2196. The long term propagation to the possible impacts and the intervening planetary encounters make 2009 FD one of the most c…
Orbit and Bulk Density of the OSIRIS-REx Target Asteroid (101955) Bennu
Steven R. Chesley, Davide Farnocchia, Michael C. Nolan +13
The target asteroid of the OSIRIS-REx asteroid sample return mission, (101955) Bennu (formerly 1999 RQ), is a half-kilometer near-Earth asteroid with an extraordinarily well…
The effect of parallax and cadence on asteroid impact probabilities and warning times
Peter Vereš, Davide Farnocchia, Robert Jedicke +1
We study the time evolution of the impact probability for synthetic but realistic impacting and close approaching asteroids detected in a simulated all-sky survey. We use the impac…
Asteroid families classification: exploiting very large data sets
Andrea Milani, Alberto Cellino, Zoran Knezevic +3
The number of asteroids with accurately determined orbits increases fast. The catalogs of asteroid physical observations have also increased, although the number of objects is stil…