value quality siderealorsynodic author ref method 10.2290 2 Synodic McNeill 2019ApJS..245...29M Lightcurve 10.2300 2 Synodic Pal 2020ApJS..247...26P Lightcurve 13.0400 3- Synodic Melton 2012MPBu...39..131M Lightcurve