value quality siderealorsynodic author ref method 4.6897 3 Synodic Higgins 2007MPBu...34...16H Lightcurve 4.6900 2- Synodic Behrend LCDB Lightcurve 4.6900 2 Synodic Stephens 2002MPBu...29....2S Lightcurve 4.7000 2 Synodic Benishek 2022MPBu...49...38B Lightcurve