value quality siderealorsynodic author ref method 2.6670 2 Synodic Warner 2011MPBu...38...96W Lightcurve 2.7700 2 Synodic Warner 2002MPBu...29...74W Lightcurve 2.8277 2 Synodic Kryszczynska 2012A&A...546A..72K Lightcurve 3.0052 3 Synodic Mannucci 2020MPBu...47....5M Lightcurve 3.0068 3 Synodic Benishek 2019MPBu...46..506B Lightcurve 3.0090 3 Synodic Behrend LCDB Lightcurve