value quality siderealorsynodic author ref method 15.1710 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 15.4800 2 Synodic Chang 2015ApJS..219...27C Lightcurve 15.5101 2 Sidereal Durech 2023A&A...675A..24D Model 18.5080 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve