Entering orbit…
| Yours | Barnard e | |
|---|---|---|
| Mass | 0.20 × Earth | 0.19 × Earth |
| Radius | 0.66 × Earth | 0.64 × Earth |
| Density (composition) | 3.90 g/cm³ | 4.11 g/cm³ |
| Temperature | 393.2 K | 340.0 K |
| Starlight received | 4.00 × Earth | 2.45 × Earth |
| Star temperature | 3,050 K | 3,195 K |
Outside the synchronous orbit: slowly receding, like Luna (~cm per year).
Inside the Roche limit (2.80 planet radii): torn apart into a ring system.