value quality siderealorsynodic author ref method 16.0000 1 Synodic Behrend LCDB Lightcurve 16.0000 1+ Synodic Behrend LCDB Lightcurve 20.0000 2 Synodic Stephens 2020MPBu...47..285S Lightcurve 20.0400 2 Synodic Skiff 2019MPBu...46..238S Lightcurve 20.0500 3 Synodic Mottola 2011AJ....141..170M Lightcurve 20.0810 2+ Synodic Galad 2008MPBu...35..144G Lightcurve 20.0990 3 Synodic Stephens 2019MPBu...46..389S Lightcurve 3.8000 1 Synodic Binzel 1992Icar...95..222B Lightcurve