value quality siderealorsynodic author ref method 5.5650 3 Synodic Shipley 2008MPBu...35...99S Lightcurve 5.5670 3 Synodic Pravec LCDB Lightcurve 5.5671 2 Sidereal Durech 2023A&A...675A..24D Model 5.5671 2 Sidereal Hanus 2013A&A...551A..67H Model 5.5671 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.5674 3 Synodic Behrend LCDB Lightcurve 5.5700 1 Synodic Behrend LCDB Lightcurve 5.6000 2- Synodic Behrend LCDB Lightcurve