value	quality	siderealorsynodic	author	ref	method
3.1530	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
3.1535	3	Synodic	Pravec	LCDB	Lightcurve
3.3750	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve