(5242) 1937 NN 30 julio, 20207 septiembre, 2020 aaznar APT- Asteroid Photometric Survey Database, Asteroid Photometric Survey, Main Belts Asteroids Lightcurves Number: 5242 Designation: 1937 NN Name: – First Date: 2020/08/06 Points: 140 P1: 3.319 P1 error: 0.001 Max. Ampl.: 0.45