Open Access
Table 4
Overview of the fixed and varied parameters that were used for the study of icy planetesimals with radii smaller than 200 km that accrete in the asteroid belt, the inter-planet disk and in the Kuiper belt.
| Conditions/variables | Asteroid belt | Inter-planet disk | Kuiper belt |
|---|---|---|---|
| Tinit, Tamb | 170 K | 110 K | 50 K |
| Accretion duration | 1−5 Myr | 1−5 Myr | 7−100 Myr |
| Accretion law | Exponential (late runaway accumulation of material), | ||
| initial radius R0 = 100 m, final radius Rf = 10–200 km | |||
| Dust/ice volume ratio | 3 : 1 | 3 : 1 | 3 : 1, 1 : 1 |
| Initial porosity | 0.4 | 0.4 | 0.4 |
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