value quality siderealorsynodic author ref method 5.9200 2+ Synodic Kryszczynska 2012A&A...546A..72K Lightcurve 5.9200 3 Synodic Behrend LCDB Lightcurve 5.9440 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve 5.9445 2 Sidereal Durech 2020A&A...643A..59D Model