value quality siderealorsynodic author ref method 3.8770 2 Sidereal Durech 2023A&A...675A..24D Model 3.8770 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.2210 2 Synodic Waszczak 2015AJ....150...75W Lightcurve