value	quality	siderealorsynodic	author	ref	method
16.9000	2	Synodic	Higgins	2009MPBu...36..159H	Lightcurve
33.5300	2	Synodic	Pravec	LCDB	Lightcurve
33.6660	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve