value	quality	siderealorsynodic	author	ref	method
1.6800		Synodic	Erasmus	2018ApJS..237...19E	Lightcurve
1.6800		Synodic	Erasmus	2019ApJS..242...15E	Lightcurve
6.9888	2	Sidereal	Durech	2023A&A...675A..24D	Model