value	quality	siderealorsynodic	author	ref	method
18.4380	3	Synodic	Stephens	2016MPBu...43..265S	Lightcurve
18.4560	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
18.4571	2	Sidereal	Durech	2023A&A...675A..24D	Model
18.6100	2	Synodic	Mottola	2011AJ....141..170M	Lightcurve