value quality siderealorsynodic author ref method 157.6630 2 Synodic McNeill 2019ApJS..245...29M Lightcurve 157.8940 2 Sidereal Durech 2020A&A...643A..59D Model 158.7000 2+ Synodic Benishek 2018MPBu...45...82B Lightcurve 79.2739 2 Synodic Pal 2020ApJS..247...26P Lightcurve