value quality siderealorsynodic author ref method 16.0480 2 Synodic Behrend LCDB Lightcurve 16.0500 2 Synodic Behrend LCDB Lightcurve 16.1834 2 Sidereal Martikainen 2021A&A...649A..98M Model 16.1834 2 Sidereal Hanus 2016A&A...586A.108H Model 16.1839 2 Sidereal Durech 2023A&A...675A..24D Model 16.5700 2 Synodic Binzel 1987Icar...72..135B Lightcurve