value quality siderealorsynodic author ref method 3.4200 1 Synodic Waller 2013MPBu...40..109W Lightcurve 3.4500 2- Synodic Koff 2003MPBu...30...38K Lightcurve 3.4500 2 Synodic Ruthroff 2013MPBu...40...90R Lightcurve 3.4610 2 Synodic Benishek 2020MPBu...47..231B Lightcurve