value quality siderealorsynodic author ref method 16.5000 2 Synodic Binzel 1987Icar...72..135B Lightcurve 16.6480 2+ Synodic Stoelting 2016MPBu...43...44S Lightcurve 16.6867 2 Sidereal Durech 2023A&A...675A..24D Model 16.6868 2 Sidereal Hanus 2013A&A...551A..67H Model 16.6890 3 Synodic Pilcher 2020MPBu...47...34P Lightcurve 16.7000 2+ Synodic Garceran 2016MPBu...43...92G Lightcurve 23.0000 2 Synodic Behrend LCDB Lightcurve