value	quality	siderealorsynodic	author	ref	method
6.9000	3-	Synodic	Polishook	2011MPBu...38...18P	Lightcurve
6.9410	3	Synodic	Warner	2018MPBu...45..262W	Lightcurve
6.9440	3-	Synodic	Warner	2017MPBu...44...36W	Lightcurve