value quality siderealorsynodic author ref method 5.0830 2 Synodic Kryszczynska 2012A&A...546A..72K Lightcurve 5.0869 2 Sidereal Durech 2020A&A...643A..59D Model 5.0870 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve 5.0870 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.2000 2+ Synodic Wisniewski 1997Icar..126..395W Lightcurve