value quality siderealorsynodic author ref method 19.8000 2 Synodic Behrend LCDB Lightcurve 22.5720 3 Synodic Pilcher 2011MPBu...38...50P Lightcurve 22.5799 2 Sidereal Durech 2020A&A...643A..59D Model 22.5800 2 Sidereal Durech 2023A&A...675A..24D Model 22.5880 Synodic Marciniak 2015P&SS..118..256M Lightcurve 22.5995 2 Synodic Pal 2020ApJS..247...26P Lightcurve