Nongravitational perturbations and virtual impactors: the case of asteroid (410777) 2009 FDFederica Spoto, Andrea Milani, Davide Farnocchia, Steven R. Chesley, Marco Micheli, Giovanni B. Valsecchi, Davide Perna and Olivier HainautA&A, 572 (2014) A100DOI: https://doi.org/10.1051/0004-6361/201424743
