(9671) Hemera 31 julio, 2018 aaznar APT- Asteroid Photometric Survey Database, Mars-Crossing Asteroids Lightcurves Number: 9671 Designation: 1997 TU9 Name: Hemera First Date: 2017/04/05 Points: 220 P1: 2.534 P1 error: 0.002 Max. Ampl.: 0.12