value quality siderealorsynodic author ref method 10.0780 2 Synodic McNeill 2019ApJS..245...29M Lightcurve 10.0792 2 Synodic Pal 2020ApJS..247...26P Lightcurve 10.0802 2 Sidereal Durech 2018A&A...617A..57D Model