value	quality	siderealorsynodic	author	ref	method
12.0000	1	Synodic	Behrend	LCDB	Lightcurve
16.5570	2-	Synodic	Polakis	2020MPBu...47...13P	Lightcurve
16.6590	3	Synodic	Behrend	LCDB	Lightcurve