value	quality	siderealorsynodic	author	ref	method
1.7750	2	Synodic	Warner	2008MPBu...35..167W	Lightcurve
2.5568	3-	Synodic	Pravec	LCDB	Lightcurve
2.5568	3	Synodic	Higgins	LCDB	Lightcurve
6.8310	1	Synodic	Warner	2016MPBu...43..143W	Lightcurve