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Table 4
Initial parameters of the comet nucleus.
| Parameter | Name | Unity | Value | |||
|
|
||||||
| a | Semimajor axis | AU | 3.511 | |||
| e | Eccentricity | 0.632 | ||||
| R | Radius | km | 2a | |||
| P | Rotational period | h | 12.3a | |||
| θ | Latitude on nucleus surface | degree ° | 0 | |||
| T | Initial temperature | K | 30 | |||
| ϵ | Infrared surface emissivity | 1 | ||||
| A l | Bolometric Bond’s albedo | 0.05 | ||||
| Ψi | Initial porosity | % | 70 | |||
| τ | Tortuosity |
 a,b
|
||||
| r p | Average pore radius | m | 10-4 | |||
| β | power law size distribution of dust grains | −3.5c | ||||
| J dust | dust/ice mass ratio | 1 | ||||
| J x | Volatile x/H2O molar ratio | % | ||||
| Initial H2O ice structure in the model | crystalline | amorphous | clathrate | mixed | ||
| J CO | condensed || trapped amorphous | clathrate | 14||0|0 | 11||3|0 | 1||0|13 | 8.6||4.33|1 | |
| J CO2 | condensed || trapped amorphous | clathrate | 5||0|0 | 2||3|0 | 2||0|0 | 4||1|0 | |
| J CH4 | condensed || trapped amorphous | clathrate | 2||0|0 | 1.2||0.8|0 | 1.2||0|1.66 | 1.2||0.3|0.3 | |
| J H2S | condensed || trapped amorphous | clathrate | 2||0|0 | 0.8||1.2|0 | 1||0|1.83 | 1||0.4|0.6 | |
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