value quality siderealorsynodic author ref method 59.5270 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 59.5790 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 59.6180 2 Sidereal Durech 2023A&A...675A..24D Model