value quality siderealorsynodic author ref method 3.0480 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 3.2558 2 Sidereal Durech 2023A&A...675A..24D Model 3.2558 2 Sidereal Durech 2020A&A...643A..59D Model 3.2570 3 Synodic Cooney 2007MPBu...34...47C Lightcurve