value	quality	siderealorsynodic	author	ref	method
3.1999	3	Synodic	Warner	2013MPBu...40...94W	Lightcurve
3.2040	2+	Synodic	Warner	2016MPBu...43..143W	Lightcurve
6.2500	2	Synodic	Wisniewski	1992acm..proc..653W	Lightcurve