value	quality	siderealorsynodic	author	ref	method
54.1000	1	Synodic	Behrend	LCDB	Lightcurve
54.1000	2-	Synodic	Behrend	LCDB	Lightcurve
54.2000	2	Synodic	Cooney	2004MPBu...31...23C	Lightcurve
54.5300	2	Synodic	Higgins	2011MPBu...38...79H	Lightcurve