value	quality	siderealorsynodic	author	ref	method
13.1970	2	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
18.1990	3-	Synodic	Behrend	LCDB	Lightcurve
18.2000	3	Synodic	Behrend	LCDB	Lightcurve
18.2182	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
18.2183	2	Sidereal	Durech	2023A&A...675A..24D	Model
18.2183	2	Sidereal	Hanus	2013A&A...551A..67H	Model
18.2200	2-	Synodic	Kryszczynska	2012A&A...546A..72K	Lightcurve
18.2200	2	Synodic	Behrend	LCDB	Lightcurve
18.2420	3	Synodic	Aznar	2016MPBu...43..257A	Lightcurve