Entering orbit…
| Yours | Kepler-438 b | |
|---|---|---|
| Mass | 1.30 × Earth | 1.46 × Earth |
| Radius | 1.09 × Earth | 1.12 × Earth |
| Density (composition) | 5.57 g/cm³ | 5.73 g/cm³ |
| Temperature | 283.8 K | 288.0 K |
| Starlight received | 1.09 × Earth | 1.40 × Earth |
| Star temperature | 5,600 K | 3,748 K |
Outside the synchronous orbit: slowly receding, like Luna (~cm per year).
Merged with an adjacent moon: too close for both to hold a stable orbit.