value quality siderealorsynodic author ref method 4.7483 2+ Synodic Slivan 2021MPBu...48..112S Lightcurve 4.7490 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 4.7491 2 Sidereal Durech 2016A&A...587A..48D Model 4.7491 3- Synodic Fornas LCDB Lightcurve 4.7500 3 Synodic Slivan LCDB Lightcurve 4.7800 2- Synodic Clark 2010MPBu...37...89C Lightcurve