value quality siderealorsynodic author ref method 5.3027 3 Synodic Behrend LCDB Lightcurve 5.3060 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.3068 2 Sidereal Durech 2020A&A...643A..59D Model 5.3100 3- Synodic Polishook 2012MNRAS.421.2094P Lightcurve