value quality siderealorsynodic author ref method 16.0000 1 Synodic Taylor 1976AJ.....81..778T Lightcurve 16.2879 2 Synodic Pal 2020ApJS..247...26P Lightcurve 22.4330 2 Synodic Warner 2017MPBu...44...36W Lightcurve 32.7800 3 Synodic Warner 2020MPBu...47..196W Lightcurve