value	unc_up	unc_lo	author	ref	method
1.1700e+19	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
2.7600e+18	7.4800e+18	7.4800e+18	Zielenbach	2011AJ....142..120Z	Deflec
5.3200e+18	nan	nan	Folkner	2009IPNPR.178C...1F	Ephem
7.5420e+18	2.9600e+18	2.9600e+18	Fienga	2017NSTIM.108.....V	Ephem
8.3171e+18	2.1779e+18	2.1779e+18	Fienga	INPOP19a	Ephem