value quality siderealorsynodic author ref method 30.4966 2+ Synodic Loera 2021MPBu...48..203L Lightcurve 30.5300 2 Synodic Oey 2014MPBu...41..276O Lightcurve 30.5600 3 Synodic Pravec 2014Icar..233...48P Lightcurve 30.5700 2 Synodic Behrend LCDB Lightcurve 30.5800 3 Synodic Behrend LCDB Lightcurve 30.6200 2 Synodic Warner 2021MPBu...48..294W Lightcurve