Table 3
Three possible layering assumptions of the Phobos internal structure where the mantle is denser than the core (the core shape is homothetic to the Phobos surface).
| ρc | ρm | λ | Interface depth (km) |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|
| 1000 | 2413 | 0.4 | 6.308 | –0.03797 | 0.02046 | –0.00002 | 0.00459 |
| 1400 | 2520 | 0.6 | 4.206 | –0.03851 | 0.02075 | –0.00056 | 0.00488 |
| 500 | 2185 | 0.2 | 8.411 | –0.03458 | 0.01863 | 0.00337 | 0.00276 |
Notes.
and
are the differences with respect to the observed values of Yang et al. (2019). The interface depth is the average distance of the internal interface between the core and the mantle (the thickness of the mantle). The cases listed in this table are the three minimum absolute values of 
marked by triangles in Fig. 5.
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