value quality siderealorsynodic author ref method 7.0200 2 Synodic Durkee 2016MPBu...43..284D Lightcurve 9.2701 3- Synodic Behrend LCDB Lightcurve 9.9350 3- Synodic Polakis 2020MPBu...47..177P Lightcurve