value	unc_up	unc_lo	author	ref	method
2.5600e+19	9.3800e+18	9.3800e+18	Zielenbach	2011AJ....142..120Z	Deflec
3.7200e+17	1.6900e+17	1.6900e+17	Fienga	2011CeMDA.111..363F	Ephem
4.2200e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
5.4300e+18	1.9911e+18	1.9911e+18	Fienga	INPOP19a	Ephem
7.3600e+18	4.5800e+18	4.5800e+18	Zielenbach	2011AJ....142..120Z	Deflec
8.2300e+18	4.6600e+18	4.6600e+18	Zielenbach	2011AJ....142..120Z	Deflec