value quality siderealorsynodic author ref method 4.9690 3 Synodic Higgins LCDB Lightcurve 4.9735 2 Sidereal Hanus 2013A&A...559A.134H Model 4.9735 2 Sidereal Hanus 2018Icar..309..297H Model 5.0320 3- Synodic Brinsfield 2009MPBu...36..127B Lightcurve