Free Access
Table 1
Physical parameters of Phaethon (Hanuš et al. 2018) and the fiducial and tested parameters for fictitious model asteroids are given.
| Parameter | Symbol | Phaethon | Model asteroids | Unit | |
|---|---|---|---|---|---|
| Fiducial | Tested values | ||||
| True anomaly | f | 0–360 | – | – | ° |
| Heliocentric distance | rh | 0.14–2.40 | 0.2 | 0.1–2 | au |
| Diameter | D | 5.1 | 1 | 0.1–80 | km |
| Geometric albedo | pV | 0.12 | – | – | – |
| Slope parameter | G | 0.15 | – | – | – |
| Bond albedo | AB | 0.046 | 0.05 | 0.05 | – |
| Bulk mass density | ρM | 1,670 | 2,000 | 2000 | kg m-3 |
| Spin axis (ecliptic) | (λs, βs) | (318°, − 47°) | aspect angle 90°/45° | ° | |
| Rotational period | Prot | 3.603957 | 6 | 3, 6 | hour |
| Thermal inertia | Γ | 600 | 200 | 200 | tiu ≡J m-2 K-1 s-1∕2 |
| Thermal parameter(a) | Θ | 0.21-15.1 | 0.094 | 0.033–1.27 | tiu ≡J m-2 K-1 s-1∕2 |
Notes. (a)The thermal parameter is calculated using Eq. (6) with 
.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.