value quality siderealorsynodic author ref method 10.4120 2 Synodic Stephens 2018MPBu...45...48S Lightcurve 10.4160 2+ Synodic Mottola 2011AJ....141..170M Lightcurve 10.4800 3- Synodic Stephens 2016MPBu...43..323S Lightcurve 10.4880 3- Synodic Stephens 2022MPBu...49...51S Lightcurve 10.4920 3 Synodic Stephens 2020MPBu...47...43S Lightcurve