value quality siderealorsynodic author ref method 12.0826 2 Synodic Pal 2020ApJS..247...26P Lightcurve 6.0400 3 Synodic Stephens 2018MPBu...45..135S Lightcurve 6.0510 3- Synodic Pravec LCDB Lightcurve 6.0510 3 Synodic Stephens 2022MPBu...49..205S Lightcurve