value quality siderealorsynodic author ref method 8.0199 2 Sidereal Durech 2023A&A...675A..24D Model 8.0480 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 8.0810 2 Synodic Waszczak 2015AJ....150...75W Lightcurve