value quality siderealorsynodic author ref method 5.7990 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.7997 2 Sidereal Durech 2018A&A...617A..57D Model 5.7997 2 Sidereal Durech 2019A&A...631A...2D Model 5.8010 2 Synodic Waszczak 2015AJ....150...75W Lightcurve