value quality siderealorsynodic author ref method 5.3600 2 Synodic Behrend LCDB Lightcurve 5.3600 2+ Synodic Ruthroff 2018MPBu...45..166R Lightcurve 5.3640 2 Synodic Dovgopol 1992AcA....42...67D Lightcurve 5.3640 3 Synodic Hamanowa LCDB Lightcurve 5.3660 2 Synodic Licchelli 2006MPBu...33...11L Lightcurve 5.3672 3 Synodic Pilcher 2011MPBu...38..156P Lightcurve 5.3674 3 Synodic Pilcher LCDB Lightcurve 5.3692 2 Synodic Behrend LCDB Lightcurve