(1816) Liberia 20 junio, 201920 junio, 2019 aaznar APT- Asteroid Photometric Survey Database, Asteroid Photometric Survey, Main Belts Asteroids Lightcurves Number: 1816 Designation: – Name: Liberia First Date: 2019/06/05 Points: 121 P1: 3.086 P1 error: 0.001 Max. Ampl.: 0.20