value	quality	siderealorsynodic	author	ref	method
18.5800	2	Synodic	Podlewska	2021ApJS..255....4P	Lightcurve
18.7870	3	Synodic	Pilcher	2009MPBu...36..100P	Lightcurve
18.7875	2	Sidereal	Martikainen	2021A&A...649A..98M	Model
18.7875	2	Sidereal	Durech	2023A&A...675A..24D	Model
18.7875	2	Sidereal	Hanus	2016A&A...586A.108H	Model
18.8730	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
20.8000	2+	Synodic	Clark	2013MPBu...40..131C	Lightcurve