value	unc_up	unc_lo	author	ref	method
0.79	nan	nan	Harris	1999Icar..142..464H	RADIOMETRY_STM
0.86	nan	nan	Harris	1999Icar..142..464H	RADIOMETRY_STM
1.05	nan	nan	Harris	1999Icar..142..464H	RADIOMETRY_FRM
1.10	nan	nan	Harris	1999Icar..142..464H	RADIOMETRY_FRM
1.50	nan	nan	Pravec	2006Icar..181...63P	LC