value	quality	siderealorsynodic	author	ref	method
3.0000	2-	Synodic	Polishook	2009Icar..199..319P	Lightcurve
3.3320	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
3.7000	2	Synodic	Yeh	2020AJ....160...73Y	Lightcurve