value	unc_up	unc_lo	author	ref	method
8.4500e+17	6.6500e+17	6.6500e+17	Fienga	2017NSTIM.108.....V	Ephem
1.1800e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
1.8900e+18	nan	nan	Folkner	2009IPNPR.178C...1F	Ephem
2.2640e+18	9.2900e+17	9.2900e+17	Fienga	2020MNRAS.492..589F	Ephem
4.3423e+18	1.9279e+18	1.9279e+18	Fienga	inpop13c	Ephem
4.3400e+18	1.9300e+18	1.9300e+18	Fienga	2014arXiv1405.0484F	Ephem