value unc_up unc_lo author ref method 11.00 nan nan Marchis 2012Icar..221.1130M RADIOMETRY_TPM 11.10 1.500 1.500 Marchis 2012Icar..221.1130M RADIOMETRY_NEATM 9.89 1.610 1.610 Masiero 2012ApJ...759L...8M NEATM