value	quality	siderealorsynodic	author	ref	method
20.6592	3	Synodic	Behrend	LCDB	Lightcurve
20.6592	3	Synodic	Behrend	LCDB	Lightcurve
20.6600	1+	Synodic	Behrend	LCDB	Lightcurve
20.6610	3	Synodic	Thomas	2021MPBu...48..328T	Lightcurve
20.6636	2	Sidereal	Durech	2020A&A...643A..59D	Model
20.6640	3	Synodic	Surdej	1979A&AS...37..471S	Lightcurve
20.6653	2	Sidereal	Warner	LCDB	Model
20.6660	2+	Synodic	Warner	2007MPBu...34..104W	Lightcurve
20.6690	3	Synodic	Behrend	LCDB	Lightcurve