value quality siderealorsynodic author ref method 2.8590 3 Synodic Stephens 2020MPBu...47..125S Lightcurve 2.8598 3- Synodic Oey 2019MPBu...46..119O Lightcurve 2.8598 3 Synodic Pravec LCDB Lightcurve 2.8598 3- Synodic Pravec LCDB Lightcurve 2.8600 2 Synodic Farfan 2022MPBu...49..136F Lightcurve 4.2772 2 Synodic Behrend LCDB Lightcurve