value quality siderealorsynodic author ref method 411.9610 2 Synodic Pal 2020ApJS..247...26P Lightcurve 47.9891 2 Sidereal Durech 2018A&A...617A..57D Model 47.9901 2 Sidereal Martikainen 2021A&A...649A..98M Model 72.0000 1 Synodic Schober 1983A&A...120..106S Lightcurve