value quality siderealorsynodic author ref method 7.2900 2 Synodic Stephens 2002MPBu...29...47S Lightcurve 7.2910 2+ Synodic Alkema 2013MPBu...40..133A Lightcurve 7.2912 2 Sidereal Durech 2023A&A...675A..24D Model 7.3662 3 Synodic Oey 2017MPBu...44..200O Lightcurve