value	quality	siderealorsynodic	author	ref	method
1.3681	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
2.2753	3	Synodic	Pravec	LCDB	Lightcurve
2.7353	3	Synodic	Christmann	2020CBET.4749....1C	Lightcurve
20.4800	2	Synodic	Behrend	LCDB	Lightcurve