value quality siderealorsynodic author ref method 12.0000 1 Synodic Behrend LCDB Lightcurve 64.0000 1 Synodic Binzel 1987Icar...72..135B Lightcurve 70.2600 3 Synodic Pilcher 2011MPBu...38..127P Lightcurve 70.2800 2 Sidereal Durech 2023A&A...675A..24D Model