value quality siderealorsynodic author ref method 24.0000 1 Synodic Behrend LCDB Lightcurve 28.4600 2+ Synodic Warner 2006MPBu...33...85W Lightcurve 28.4821 2 Sidereal Durech 2016A&A...587A..48D Model 28.5280 3- Synodic Dose 2020MPBu...47..324D Lightcurve