value	unc_up	unc_lo	author	ref	method
1.1544e+18	4.6938e+17	4.6938e+17	Fienga	INPOP19a	Ephem
1.3200e+18	nan	nan	Folkner	2009IPNPR.178C...1F	Ephem
2.5100e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
2.6350e+18	6.0600e+17	6.0600e+17	Fienga	2017NSTIM.108.....V	Ephem
2.8900e+18	8.4300e+17	8.4300e+17	Fienga	2011CeMDA.111..363F	Ephem
6.0569e+18	1.2726e+18	1.2726e+18	Fienga	2013arXiv1301.1510F	Ephem