value quality siderealorsynodic author ref method 12.4800 1 Synodic Behrend LCDB Lightcurve 3.5300 1 Synodic Warner LCDB Lightcurve 8.3300 2 Synodic Menke 2008MPBu...35..155M Lightcurve 9.8223 2 Synodic Pal 2020ApJS..247...26P Lightcurve