value quality siderealorsynodic author ref method 82.1170 2 Synodic Pal 2020ApJS..247...26P Lightcurve 82.8700 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 85.0000 3 Synodic Wisniewski 1997Icar..126..395W Lightcurve