value quality siderealorsynodic author ref method 3.8186 3 Synodic Behrend LCDB Lightcurve 3.8188 2 Sidereal Hanus 2013A&A...551A..67H Model 3.8188 2 Sidereal Hanus 2016A&A...586A.108H Model 3.8188 2 Sidereal Hanus 2018Icar..309..297H Model 3.8190 2 Synodic Waszczak 2015AJ....150...75W Lightcurve