value quality siderealorsynodic author ref method 119.5060 2 Sidereal Durech 2020A&A...643A..59D Model 119.5075 2 Sidereal Martikainen 2021A&A...649A..98M Model 119.6420 2 Synodic Waszczak 2015AJ....150...75W Lightcurve