value quality siderealorsynodic author ref method 5.6080 2 Synodic McNeill 2019ApJS..245...29M Lightcurve 5.6140 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.6148 2 Sidereal Durech 2016A&A...587A..48D Model 5.6166 2 Synodic Pal 2020ApJS..247...26P Lightcurve