Table 5.

Model accretion ages for NC and CC type iron meteorites determined using the thermal model described in the supplementary materials.

Iron meteorite group	Differentiation age ± 2σ (Myr)	Accretion age (Myr)
NC type
IC	0.3 ± 0.5	0.3 ± 0.3
IIAB	0.8 ± 0.5	0.5 ± 0.5
IIIAB	1.2 ± 0.5	0.7 ± 0.4
IIIE	1.8 ± 0.7	1.0 ± 0.5
IVA	1.5 ± 0.6	0.9 ± 0.5
CC type
SBT	2.1 ± 0.8	1.1 ± 0.5
IIC	2.6 ± 1.3	1.2 ± 0.6
IID	2.3 ± 0.6	1.2 ± 0.4
IIF	2.5 ± 0.7	1.3 ± 0.5
IIIF	2.2 ± 1.1	1.1 ± 0.6
IVB	2.8 ± 0.7	1.4 ± 0.5

All model differentiation age data are from Kruijer et al. (2017) except for the SBT.