value quality siderealorsynodic author ref method 5.5050 3 Synodic Ditteon 2003MPBu...30...76D Lightcurve 5.5061 2 Sidereal Durech 2020A&A...643A..59D Model 5.5068 3 Synodic Behrend LCDB Lightcurve 5.5290 2 Synodic Pray 2004MPBu...31....6P Lightcurve 5.5400 3- Synodic Goeden 2004MPBu...31...11G Lightcurve