value unc_up unc_lo author ref method 1.2100e+19 nan nan Folkner 2014IPNPR.196C...1F Ephem 1.2900e+19 4.7000e+18 4.7000e+18 Zielenbach 2011AJ....142..120Z Deflec 1.5900e+19 4.3800e+18 4.3800e+18 Baer 2011AJ....141..143B Deflec 1.6300e+19 3.1800e+18 3.1800e+18 Baer 2008DPS....40.5209B Deflec 1.0370e+19 1.5530e+18 1.5530e+18 Fienga 2017NSTIM.108.....V Ephem 3.6740e+18 1.1629e+18 1.1629e+18 Fienga INPOP19a Ephem 6.0700e+18 3.2000e+18 3.2000e+18 Zielenbach 2011AJ....142..120Z Deflec 6.1700e+18 nan nan Folkner 2009IPNPR.178C...1F Ephem 7.3900e+18 3.2400e+18 3.2400e+18 Zielenbach 2011AJ....142..120Z Deflec 8.2600e+18 6.1000e+18 6.1000e+18 Zielenbach 2011AJ....142..120Z Deflec 9.3717e+18 1.8891e+18 1.8891e+18 Fienga 2013arXiv1301.1510F Ephem 9.3722e+18 2.3645e+18 2.3645e+18 Fienga inpop13c Ephem 9.3700e+18 2.3600e+18 2.3600e+18 Fienga 2014arXiv1405.0484F Ephem