value quality siderealorsynodic author ref method 21.1430 1 Synodic Waszczak 2015AJ....150...75W Lightcurve 31.6000 2 Synodic Pravec LCDB Lightcurve 43.0000 1 Synodic Behrend LCDB Lightcurve 63.0918 2 Synodic Pal 2020ApJS..247...26P Lightcurve 9.8000 1 Synodic Chang 2016ApJS..227...20C Lightcurve