value quality siderealorsynodic author ref method 4.5200 3 Synodic Wisniewski 1997Icar..126..395W Lightcurve 4.5360 3 Synodic Warner 2018MPBu...45...39W Lightcurve 4.5361 2 Sidereal Durech 2020A&A...643A..59D Model