value	quality	siderealorsynodic	author	ref	method
13.7020	2	Synodic	Owings	2011MPBu...38..141O	Lightcurve
19.2040	1+	Synodic	Hayes	2011MPBu...38...75H	Lightcurve
19.2040	2	Synodic	Stephens	2011MPBu...38...23S	Lightcurve