value	quality	siderealorsynodic	author	ref	method
39.0000	2	Synodic	Dahlgren	1998Icar..133..247D	Lightcurve
39.9300	2	Synodic	Warner	2017MPBu...44..130W	Lightcurve
40.0380	2	Sidereal	Durech	2023A&A...675A..24D	Model
40.0390	2	Sidereal	Durech	2020A&A...643A..59D	Model
40.0500	3-	Synodic	Williamson	2019MPBu...46..332W	Lightcurve