value quality siderealorsynodic author ref method 3.5990 2 Synodic Pal 2020ApJS..247...26P Lightcurve 3.6000 3 Synodic Behrend LCDB Lightcurve 3.6006 3 Synodic Owings 2018MPBu...45..227O Lightcurve 3.6010 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 3.6010 2 Sidereal Durech 2020A&A...643A..59D Model