value	quality	siderealorsynodic	author	ref	method
9.1680	2+	Synodic	Behrend	LCDB	Lightcurve
9.1700	3	Synodic	Carlsson	1981A&AS...44...15C	Lightcurve
9.1782	2	Sidereal	Hanus	2013A&A...551A..67H	Model
9.1782	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
9.1784	2	Sidereal	Durech	2023A&A...675A..24D	Model
9.1900	3	Synodic	Sarneczky	1999A&AS..137..363S	Lightcurve