value quality siderealorsynodic author ref method 32.6000 2 Synodic Binzel 1987Icar...72..135B Lightcurve 34.3900 2 Synodic Behrend LCDB Lightcurve 53.3990 2 Sidereal Durech 2020A&A...643A..59D Model 53.4360 2+ Synodic Pilcher 2023MPBu...50..162P Lightcurve 53.7893 2 Synodic Pal 2020ApJS..247...26P Lightcurve 54.1300 2 Synodic Polakis 2018MPBu...45..269P Lightcurve