(453778) 2011 JK 30 julio, 201930 julio, 2019 aaznar Asteroid Photometric Survey, Near-Earth Asteroids Lightcurves Number: 453778 Designation: 2011 JK Name: – First Date: 2019/06/07 Points: 158 P1: 2.578 P1 error: 0.003 Max. Ampl.: 0.14 Lightcurve from Isaac Aznar Observatory and TAR2 telescope (IAC, Solar System Group).