value quality siderealorsynodic author ref method 4.3000 2 Synodic Erasmus 2019ApJS..242...15E Lightcurve 4.3323 2 Sidereal Durech 2020A&A...643A..59D Model 4.3326 2 Synodic Podlewska 2021ApJS..255....4P Lightcurve