Entering orbit…
| Yours | YZ Cet d | |
|---|---|---|
| Mass | 0.90 × Earth | 1.09 × Earth |
| Radius | 0.98 × Earth | 1.03 × Earth |
| Density (composition) | 5.19 g/cm³ | 5.50 g/cm³ |
| Temperature | 366.4 K | 357.0 K |
| Starlight received | 3.02 × Earth | 2.70 × Earth |
| Star temperature | 6,750 K | 3,151 K |
Outside the synchronous orbit: slowly receding, like Luna (~cm per year).
Tidal braking locked the planet to its moon: one face forever moonward.