value quality siderealorsynodic author ref method 5.4700 2+ Synodic Brinsfield 2010MPBu...37..146B Lightcurve 5.4792 2+ Synodic Behrend LCDB Lightcurve 5.4793 2 Sidereal Durech 2018A&A...620A..91D Model 5.4796 2 Sidereal Durech 2023A&A...675A..24D Model