value quality siderealorsynodic author ref method 36.5000 1+ Synodic Behrend LCDB Lightcurve 73.9000 2 Synodic Warner 2004MPBu...31...36W Lightcurve 73.9760 2 Sidereal Durech 2019A&A...631A...2D Model 74.0700 2+ Synodic Polakis 2022MPBu...49..179P Lightcurve