value quality siderealorsynodic author ref method 8.0000 3 Synodic Wisniewski 1997Icar..126..395W Lightcurve 8.1196 2 Sidereal Hanus 2011A&A...530A.134H Model 8.1202 3 Synodic Behrend LCDB Lightcurve 8.1210 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve