value	quality	siderealorsynodic	author	ref	method
9.1510	3	Synodic	Behrend	LCDB	Lightcurve
9.1550	2	Synodic	Yang	LCDB	Lightcurve
9.1560	3	Synodic	Warner	2009MPBu...36..172W	Lightcurve
9.1570	2+	Synodic	Kryszczynska	2012A&A...546A..72K	Lightcurve
9.1575	2	Sidereal	Hanus	2013A&A...559A.134H	Model
9.1590	2-	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve