value	quality	siderealorsynodic	author	ref	method
2.6794	3-	Synodic	Pravec	LCDB	Lightcurve
2.6794	3-	Synodic	Pravec	LCDB	Lightcurve
2.6800	2	Synodic	Yeh	2020AJ....160...73Y	Lightcurve