value quality siderealorsynodic author ref method 24.0000 Synodic Behrend LCDB Lightcurve 64.6000 2- Synodic Slivan 2008Icar..195..226S Lightcurve 64.7420 2 Sidereal Durech 2020A&A...643A..59D Model 7.3000 1 Synodic Binzel 1987Icar...72..135B Lightcurve