value quality siderealorsynodic author ref method 4.7541 3 Synodic Oey 2009MPBu...36....4O Lightcurve 4.7550 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.7553 2 Sidereal Durech 2020A&A...643A..59D Model 4.7553 2 Sidereal Durech 2023A&A...675A..24D Model 4.7900 2+ Synodic Molnar 2018ApJS..234...37M Lightcurve