value	quality	siderealorsynodic	author	ref	method
2.6920	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
2.6923	3	Synodic	Behrend	LCDB	Lightcurve
2.6925	3-	Synodic	Mannucci	2023MPBu...50..118M	Lightcurve