value quality siderealorsynodic author ref method 3.4000 1 Synodic Lagerkvist 1979AcA....29..455L Lightcurve 3.8230 2 Sidereal Durech 2023A&A...675A..24D Model 3.8670 3 Synodic Behrend LCDB Lightcurve 3.8670 3 Synodic Behrend LCDB Lightcurve 4.0600 3 Synodic Binzel 1987Icar...72..135B Lightcurve