value quality siderealorsynodic author ref method 5.5200 1 Synodic Behrend LCDB Lightcurve 5.5200 1+ Synodic Behrend LCDB Lightcurve 5.5224 2 Sidereal Durech 2020A&A...643A..59D Model 5.5225 3 Synodic Pravec LCDB Lightcurve 5.5225 3 Synodic Pravec LCDB Lightcurve 5.5227 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.5228 3 Synodic Willis 2004MPBu...31...82W Lightcurve 5.5230 3 Synodic Hasegawa 2012LPICo1667.6281H Lightcurve 6.2430 2 Synodic Windschitl 2004MPBu...31...80W Lightcurve