value	unc_up	unc_lo	author	ref	method
4.0450e+17	6.3000e+15	6.3000e+15	Grundy	2019Icar..334...62G	BinImg
3.9100e+17	2.2000e+16	2.2000e+16	Grundy	2009Icar..200..627G	BinImg