value quality siderealorsynodic author ref method 5.2000 3 Synodic Wisniewski 1997Icar..126..395W Lightcurve 5.2680 3 Synodic Warner 2014MPBu...41..144W Lightcurve 5.2683 2 Sidereal Durech 2020A&A...643A..59D Model 5.2700 2 Synodic Warner 2017MPBu...44..213W Lightcurve 5.2700 3 Synodic Warner 2016MPBu...43...57W Lightcurve