value quality siderealorsynodic author ref method 3.2780 3 Synodic Oliver 2008MPBu...35..149O Lightcurve 3.2780 3 Synodic Stephens 2020MPBu...47..125S Lightcurve 3.2784 2 Sidereal Durech 2023A&A...675A..24D Model 3.2784 2 Sidereal Hanus 2016A&A...586A.108H Model 3.2794 3 Synodic Behrend LCDB Lightcurve