Entering orbit…
| Yours | AS 209 b | |
|---|---|---|
| Mass | 723.0 × Earth | 413.0 × Earth |
| Radius | 14.5 × Earth | 13.6 × Earth |
| Density (composition) | 1.30 g/cm³ | 0.90 g/cm³ |
| Temperature | 29.9 K | — |
| Starlight received | 0.00 × Earth | 0.00 × Earth |
| Star temperature | 3,050 K | 4,265 K |
Small and distant: a quiet, stable companion.
Tidal braking locked the planet to its moon: one face forever moonward.
A thin tidal-warmed subsurface ocean may exist, but conditions are marginal (27/100).