value quality siderealorsynodic author ref method 3.5279 2 Sidereal Durech 2019A&A...631A...2D Model 3.5279 2 Sidereal Durech 2023A&A...675A..24D Model 3.5279 2 Synodic Pal 2020ApJS..247...26P Lightcurve 3.5280 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.5300 2 Synodic Chang 2015ApJS..219...27C Lightcurve