value quality siderealorsynodic author ref method 3.2995 2 Synodic Pal 2020ApJS..247...26P Lightcurve 3.2997 3 Synodic Behrend LCDB Lightcurve 3.3000 2 Sidereal Durech 2023A&A...675A..24D Model 3.3000 3 Synodic Stephens 2005MPBu...32...27S Lightcurve