(16834) 1997 WU22 6 marzo, 2019 aaznar APT- Asteroid Photometric Survey Database, Asteroid Photometric Survey, Near-Earth Asteroids Lightcurves Number: 16834 Designation: 1997 WU22 Name: First Date: 2016/08/24 Points: 145 P1: 9.3659 h. P1 error: 0.0143 h. Max. Ampl.: 0.48 mag.