(5587) 1990 SB 17 octubre, 2017 aaznar APT- Asteroid Photometric Survey Database, Asteroid Photometric Survey, Near-Earth Asteroids Lightcurves Number: 5587 Designation: 1990 SB Name: – First Date: 2016/09/30 Points: 213 P1: 5.0524 P1 error: 0.0007 Max. Ampl.: 0.72