value	quality	siderealorsynodic	author	ref	method
6.7000	2	Synodic	Lagerkvist	1978A&AS...31..361L	Lightcurve
6.7280	3	Synodic	Polakis	2021MPBu...48..144P	Lightcurve
6.7289	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.7290	2	Synodic	Klinglesmith	2018MPBu...45..162K	Lightcurve
6.7299	2+	Synodic	Kryszczynska	2012A&A...546A..72K	Lightcurve
6.7310	3	Synodic	Carbo	2009MPBu...36..152C	Lightcurve
6.7370	2+	Synodic	Warner	2008MPBu...35...67W	Lightcurve