value	quality	siderealorsynodic	author	ref	method
10.0000	1	Synodic	Behrend	LCDB	Lightcurve
16.8500	2	Synodic	Lang	2015MPBu...42..284L	Lightcurve
8.4300	2+	Synodic	Hayes	2015MPBu...42Q.241H	Lightcurve