value quality siderealorsynodic author ref method 3.5000 2 Synodic Behrend LCDB Lightcurve 4.7208 2 Sidereal Durech 2020A&A...643A..59D Model 4.7210 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve 5.2380 2 Synodic Waszczak 2015AJ....150...75W Lightcurve