value	quality	siderealorsynodic	author	ref	method
11.9710	2	Synodic	Torno	2008MPBu...35...54T	Lightcurve
9.5853	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
9.6300	3-	Synodic	Behrend	LCDB	Lightcurve