value quality siderealorsynodic author ref method 4.2660 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.2665 2 Sidereal Durech 2020A&A...643A..59D Model 4.2666 3 Synodic Ditteon 2010MPBu...37....1D Lightcurve