value quality siderealorsynodic author ref method 8.2980 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 8.3152 2 Sidereal Durech 2023A&A...675A..24D Model 8.3153 2 Sidereal Durech 2018A&A...617A..57D Model 8.3180 2 Synodic Waszczak 2015AJ....150...75W Lightcurve