value quality siderealorsynodic author ref method 15.1130 2- Synodic Strabla 2013MPBu...40..232S Lightcurve 15.1300 1 Synodic Binzel 1987Icar...72..135B Lightcurve 7.5560 3 Synodic Alkema 2013MPBu...40..133A Lightcurve 7.5570 3- Synodic Aznar LCDB Lightcurve 7.5571 2 Sidereal Hanus 2016A&A...586A.108H Model 7.5575 2+ Synodic Behrend LCDB Lightcurve