value	quality	siderealorsynodic	author	ref	method
17.6470	2	Synodic	Warner	2022MPBu...49..269W	Lightcurve
17.6770	3	Synodic	Warner	2021MPBu...48..303W	Lightcurve
17.7500	2	Synodic	Dahlgren	1998Icar..133..247D	Lightcurve