value quality siderealorsynodic author ref method 2.5790 2- Synodic Polakis 2020MPBu...47...13P Lightcurve 2.5802 2 Synodic Pravec LCDB Lightcurve 2.5804 2 Synodic Benishek 2023MPBu...50...62B Lightcurve 2.5900 2 Synodic Yeh 2020AJ....160...73Y Lightcurve