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Table 4
Parameters for the planetesimal model.
| Quantity | Symbol | Value | Unit |
|
|
|||
| Radius | R | 150 | km |
| Formation time | t form | 2 | Ma |
| Surface temperature | T srf | 250 | K |
| Heat conductivity | K b | 4.0 | W m-1 K-1 |
| Bulk density | ϱ b | 3.78 | g cm-3 |
| 26Al/27Al ratio | 5.1 × 10-5 | ||
| 60Fe/56Fe ratio | 1.43 × 10-8 | ||
| Chondrule dominated case | |||
| Radius of chondrules | G | 0.15 | mm |
| Matrix volume fraction | f ma | 0.15 | |
| Initial porosity | φ 0 | 24.8 | |
| Matrix dominated case | |||
| Radius of matrix grains | G | 1 | μm |
| Matrix volume fraction | f ma | 0.75 | |
| Initial porosity | φ 0 | 29.7 | |
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