Table 2
Overview of the current knowledge regarding the surface and bulk composition of large asteroids (D > 100 km) belonging to the main taxonomic classes.
| Asteroid type | Surface composition | Families | Bulk density | Differentiated |
|---|---|---|---|---|
| (yes/no) | ||||
| S | Ordinary chondrites | Homogeneous | Ordinary chondrites | No |
| Ch/Cgh | CM chondrites | Homogeneous | CM chondrites | No |
| C/Cb/Cg | Chondritic smooth IDPs ? | Heterogeneous ? | <CM chondrites | ? |
| P | Chondritic porous IDPs | Heterogeneous | <CI/TL | Likely yes |
| M/X | ECs, CB/CH, unsampled material? | ? | <CB, >CH, ≫EC | Likely yes (21, 22) |
| 16, 216: TBD |
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