value quality siderealorsynodic author ref method 14.3000 2 Synodic Dahlgren 1991MNRAS.250..115D Lightcurve 34.8180 2 Synodic Polakis 2020MPBu...47...94P Lightcurve 34.8370 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 34.8914 2 Sidereal Durech 2020A&A...643A..59D Model