value	unc_up	unc_lo	author	ref	method
4.68	nan	nan	Ferrero	2010MPBu...37..145F	Lightcurve
4.69	nan	nan	Wisniewski	1997Icar..126..395W	Lightcurve
4.69	nan	nan	Szabo	2016A&A...596A..40S	Lightcurve