value	unc_up	unc_lo	author	ref	method
6.50	0.300	0.300	Hanus	2018Icar..309..297H	RADIOMETRY_TPM
6.71	0.041	0.041	Masiero	2011ApJ...741...68M	NEATM
7.10	0.300	0.300	Hanus	2018Icar..309..297H	RADIOMETRY_TPM