value quality siderealorsynodic author ref method 6.1490 3 Synodic Vander Haagen 2009MPBu...36..171V Lightcurve 6.1499 2 Sidereal Durech 2020A&A...643A..59D Model 6.1501 3 Synodic Pravec LCDB Lightcurve 6.1530 2 Synodic Waszczak 2015AJ....150...75W Lightcurve