value	quality	siderealorsynodic	author	ref	method
16.1000	2	Synodic	Violante	2012JSARA...7...41V	Lightcurve
18.8700	3	Synodic	Stephens	2012MPBu...39...11S	Lightcurve
19.9700	2-	Synodic	Behrend	LCDB	Lightcurve
20.0000	2-	Synodic	Behrend	LCDB	Lightcurve