value quality siderealorsynodic author ref method 3.5200 2+ Synodic Behrend LCDB Lightcurve 3.5238 3 Synodic Franco 2020MPBu...47..242F Lightcurve 3.5239 3- Synodic Behrend LCDB Lightcurve 3.5253 3- Synodic Behrend LCDB Lightcurve