value quality siderealorsynodic author ref method 10.5320 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 10.5333 2 Sidereal Durech 2023A&A...675A..24D Model 10.5400 2 Synodic Waszczak 2015AJ....150...75W Lightcurve