(52768) 1998 OR2 17 febrero, 2020 aaznar Asteroid Photometric Survey, Near-Earth Asteroids Lightcurves Number: 52768 Designation: 1998 OR2 Name: – First Date: 2020/01/31 Points: 330 P1: 4.108 P1 error: 0.001 Max. Ampl.: 0.14