value	quality	siderealorsynodic	author	ref	method
16.7187	2	Sidereal	Durech	2020A&A...643A..59D	Model
16.7210	3	Synodic	Stephens	2021MPBu...48..246S	Lightcurve
16.7560	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve