value quality siderealorsynodic author ref method 6.1339 3 Synodic Bembrick 2008MPBu...35...74B Lightcurve 6.1478 2 Sidereal Hanus 2013A&A...551A..67H Model 6.1483 3 Synodic Behrend LCDB Lightcurve 6.1508 3 Synodic Oey 2008MPBu...35..132O Lightcurve