value quality siderealorsynodic author ref method 6.0500 2+ Synodic Chang 2014ApJ...788...17C Lightcurve 6.0561 2 Sidereal Durech 2023A&A...675A..24D Model 6.0561 2 Sidereal Durech 2020A&A...643A..59D Model 6.0570 2 Synodic Waszczak 2015AJ....150...75W Lightcurve