value quality siderealorsynodic author ref method 5.0960 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.0975 2 Sidereal Durech 2023A&A...675A..24D Model 5.0980 2 Synodic Waszczak 2015AJ....150...75W Lightcurve