value	quality	siderealorsynodic	author	ref	method
2.6940	2-	Synodic	Carbognani	2011MPBu...38...57C	Lightcurve
2.6940	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
2.6941	3	Synodic	Warner	2011MPBu...38...25W	Lightcurve
2.7000	2+	Synodic	Ferrero	2011MPBu...38...49F	Lightcurve