(257838) 2000 JQ66 6 marzo, 2019 aaznar APT- Asteroid Photometric Survey Database, Asteroid Photometric Survey, Near-Earth Asteroids Lightcurves Number: 257838 Designation: 2000 JQ66 Name: First Date: 2016/08/24 Points: 260 P1: 10.304 h. P1 error: 0.003 h. Max. Ampl.: 0.53 mag.