value quality siderealorsynodic author ref method 10.9434 2 Synodic Pal 2020ApJS..247...26P Lightcurve 11.5140 2 Synodic Warner 2000MPBu...27....4W Lightcurve 21.6000 1 Synodic Behrend LCDB Lightcurve 5.3300 2 Synodic Warner 2011MPBu...38...21W Lightcurve 5.4680 3 Synodic Klinglesmith 2014MPBu...41..206K Lightcurve 5.4700 3 Synodic Durkee 2009MPBu...36..170D Lightcurve 5.4707 3 Synodic Behrend LCDB Lightcurve