value	quality	siderealorsynodic	author	ref	method
12.6400	2	Synodic	Carbo	2009MPBu...36..152C	Lightcurve
16.8000	2	Synodic	Behrend	LCDB	Lightcurve
18.3600	2	Synodic	Polakis	2021MPBu...48..239P	Lightcurve