value	unc_up	unc_lo	author	ref	method
1.3900e+19	3.9800e+18	3.9800e+18	Ivantsov	2008P&SS...56.1857I	Deflec
1.9700e+18	nan	nan	Folkner	2014IPNPR.196C...1F	Ephem
2.4700e+18	nan	nan	Folkner	2009IPNPR.178C...1F	Ephem
2.7800e+18	2.7800e+17	2.7800e+17	Krasinsky	Krasinsky	Deflec
3.2240e+18	1.0690e+18	1.0690e+18	Fienga	2020MNRAS.492..589F	Ephem