value	quality	siderealorsynodic	author	ref	method
2.9867	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
2.9870	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
3.1800	2	Synodic	Chang	2016ApJS..227...20C	Lightcurve