value	quality	siderealorsynodic	author	ref	method
18.0000	2	Synodic	Bennefeld	2009MPBu...36...45B	Lightcurve
21.5000	2	Synodic	Behrend	LCDB	Lightcurve
21.9990	2	Synodic	Fornas	2022MPBu...49..196F	Lightcurve
22.1200	3	Synodic	Polakis	2022MPBu...49..179P	Lightcurve