Elimination of a virtual impactor of 2006 QV89 via deep non-detection O. R. Hainaut, M. Micheli, J. L. Cano, J. Martín, L. Faggioli and R. Cennamo A&A, 653 (2021) A124 Published online: 21 September 2021 DOI: 10.1051/0004-6361/202141519