(3894) Williamcooke 1980 PQ2 4 octubre, 2017 aaznar APT- Asteroid Photometric Survey Database, Asteroid Photometric Survey, Main Belts Asteroids Lightcurves Number: 3894 Designation: 1980 PQ2 Name: Williamcooke First Date: 2014/08/28 Points: 124 P1: 3.1 P1 error:0.05 Max. Ampl.: 0.10