value quality siderealorsynodic author ref method 5.1858 2 Sidereal Durech 2023A&A...675A..24D Model 5.1870 2+ Synodic Han 2013MPBu...40...99H Lightcurve 5.1950 1 Synodic Alvarez 2004Icar..172..388A Lightcurve