value quality siderealorsynodic author ref method 16.6700 2+ Synodic Stephens LCDB Lightcurve 17.1200 2 Synodic Hawkins 2008MPBu...35....1H Lightcurve 17.6000 2 Synodic Behrend LCDB Lightcurve 25.6210 2+ Synodic Dose 2021MPBu...48..375D Lightcurve 25.6290 2 Sidereal Durech 2023A&A...675A..24D Model 25.6460 2 Synodic Pal 2020ApJS..247...26P Lightcurve