value	quality	siderealorsynodic	author	ref	method
10.0000	1	Synodic	Behrend	LCDB	Lightcurve
19.6940	3	Synodic	Pilcher	2022MPBu...49..346P	Lightcurve
19.6980	2	Sidereal	Durech	LCDB	Model
19.6980	2	Sidereal	Hanus	2017A&A...601A.114H	Model
19.6981	2	Sidereal	Hanus	2011A&A...530A.134H	Model
19.6981	2	Sidereal	Hanus	2016A&A...586A.108H	Model
19.7000	3	Synodic	Harris	1983Icar...54...59H	Lightcurve
19.7430	2	Synodic	Piironen	1998A&AS..128..525P	Lightcurve
19.7720	3	Synodic	Polakis	2022MPBu...49..298P	Lightcurve