value	quality	siderealorsynodic	author	ref	method
2.7830	2	Synodic	Stephens	2020MPBu...47...50S	Lightcurve
3.1422	2	Synodic	Warner	2015MPBu...42..188W	Lightcurve
4.4500	2	Synodic	Warner	2009MPBu...36....7W	Lightcurve
4.5400	2	Synodic	Warner	2010MPBu...37..112W	Lightcurve
4.7170	2	Synodic	Warner	2012MPBu...39...82W	Lightcurve