value quality siderealorsynodic author ref method 3.6400 3 Synodic Binzel 1987Icar...72..135B Lightcurve 3.6407 2 Sidereal Hanus 2016A&A...586A.108H Model 3.6407 2 Sidereal Hanus 2011A&A...530A.134H Model