value quality siderealorsynodic author ref method 4.6342 2 Synodic Pal 2020ApJS..247...26P Lightcurve 4.6342 2 Sidereal Durech 2023A&A...675A..24D Model 4.6390 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.6400 2 Synodic Chang 2015ApJS..219...27C Lightcurve