value	quality	siderealorsynodic	author	ref	method
4.9000	3	Synodic	Menke	2005MPBu...32...85M	Lightcurve
4.9057	3-	Synodic	Behrend	LCDB	Lightcurve
4.9062	2	Sidereal	Durech	2016A&A...587A..48D	Model
4.9268	2	Synodic	Behrend	LCDB	Lightcurve