value quality siderealorsynodic author ref method 160.0000 1 Synodic Binzel 1987Icar...72..135B Lightcurve 225.6000 2 Synodic Polakis 2020MPBu...47...94P Lightcurve 24.0000 2 Synodic Brinsfield 2009MPBu...36...64B Lightcurve