value quality siderealorsynodic author ref method 6.1259 2 Sidereal Durech 2020A&A...643A..59D Model 6.1273 2 Synodic Pal 2020ApJS..247...26P Lightcurve 6.1280 3 Synodic Stephens 2021MPBu...48..246S Lightcurve 6.1300 3 Synodic Stephens 2002MPBu...29...47S Lightcurve 6.1310 2 Synodic McNeill 2019ApJS..245...29M Lightcurve 6.1330 3 Synodic Stephens 2017MPBu...44..321S Lightcurve