value quality siderealorsynodic author ref method 10.0200 2 Synodic Menke 2008MPBu...35..155M Lightcurve 8.2880 2 Sidereal Durech 2020A&A...643A..59D Model 8.2880 3- Synodic Oey 2006MPBu...33...96O Lightcurve