Caption: 
Flyby images (left) at various times, near the asteroid close-approach on July 10, 2010, compared with the ground-based model (KOALA) predictions, at the same times.

Credit: 
Credit: Rosetta OSIRIS team/Dr. Holger Sierks (Max-Planck-Institut fur Sonnensystemforschung, Germany)/Dr. Benoit Carry (Paris Observatory)/Dr. William Merline (Southwest Research Institute).