value quality siderealorsynodic author ref method 9.2550 2 Synodic Pietschnig LCDB Lightcurve 9.2595 2 Synodic Pal 2020ApJS..247...26P Lightcurve 9.9000 2 Synodic Behrend LCDB Lightcurve 9.9900 2 Synodic Brinsfield 2007MPBu...34..108B Lightcurve