value	quality	siderealorsynodic	author	ref	method
6.6180	1	Synodic	Almeida	2004A&A...415..403A	Lightcurve
6.6200	3	Synodic	Stephens	2014MPBu...41..171S	Lightcurve
6.6230	3-	Synodic	Klinglesmith	2014MPBu...41..139K	Lightcurve
6.6240	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
6.6250	3-	Synodic	Behrend	LCDB	Lightcurve
6.6252	2	Sidereal	Durech	2016A&A...587A..48D	Model
6.6300	3	Synodic	LeCrone	2005MPBu...32...46L	Lightcurve