value	unc_up	unc_lo	author	ref	method
3.4330e+18	2.7000e+16	2.7000e+16	Grundy	2011Icar..213..678G	BinImg
3.7500e+18	4.0000e+17	4.0000e+17	Noll	2004Icar..172..402N	BinImg