value quality siderealorsynodic author ref method 10.0000 2 Synodic McNeill 2019ApJS..245...29M Lightcurve 10.0000 3- Synodic Chang 2016ApJS..227...20C Lightcurve 10.0003 2 Synodic Pal 2020ApJS..247...26P Lightcurve