value	quality	siderealorsynodic	author	ref	method
18.6050	2-	Synodic	Behrend	LCDB	Lightcurve
18.7100	2	Synodic	Polakis	2020MPBu...47..177P	Lightcurve
82.5000	2	Synodic	Warner	2008MPBu...35...67W	Lightcurve