value quality siderealorsynodic author ref method 23.9101 3 Synodic Pal 2020ApJS..247...26P Lightcurve 23.9300 2- Synodic Behrend LCDB Lightcurve 23.9300 2- Synodic Behrend LCDB Lightcurve 23.9300 2- Synodic Buchheim 2007MPBu...34...68B Lightcurve 23.9510 2 Synodic McNeill 2019ApJS..245...29M Lightcurve