value	unc_up	unc_lo	author	ref	method
1.1137e+19	1.2726e+18	1.2726e+18	Fienga	2013arXiv1301.1510F	Ephem
1.1200e+18	7.6800e+18	7.6800e+18	Zielenbach	2011AJ....142..120Z	Deflec
1.6000e+19	1.0600e+18	1.0600e+18	Fienga	2011CeMDA.111..363F	Ephem
1.8300e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
2.7300e+18	nan	nan	Folkner	2009IPNPR.178C...1F	Ephem
2.8400e+18	6.0000e+18	6.0000e+18	Zielenbach	2011AJ....142..120Z	Deflec
4.1060e+18	7.6100e+17	7.6100e+17	Fienga	2020MNRAS.492..589F	Ephem