value	quality	siderealorsynodic	author	ref	method
17.3200	3-	Synodic	Stephens	2016MPBu...43...52S	Lightcurve
17.3300	2+	Synodic	Warner	2020MPBu...47..196W	Lightcurve
17.3548	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve