value quality siderealorsynodic author ref method 6.2004 3 Synodic Behrend LCDB Lightcurve 6.2014 3 Synodic Behrend LCDB Lightcurve 6.2060 3- Synodic Behrend LCDB Lightcurve 7.7800 2 Synodic Angeli 1996P&SS...44..181A Lightcurve