value quality siderealorsynodic author ref method 12.8380 3 Synodic Polakis 2018MPBu...45..269P Lightcurve 12.8490 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 12.8501 2 Synodic Pal 2020ApJS..247...26P Lightcurve 12.8800 2 Synodic Nickel LCDB Lightcurve