Exoplanet K2-209 b
Radius0.87 R⊕Earth = 1
Mass0.6 M⊕Earth = 1
Orbital period2.08 d
Equilibrium temp.–
Distance249.5 ly
Discovered2018Transit
Size compared (radius, Earth = 1)
0.87
1.00
3.88
11.21
Where it sits among all planets (percentile)
2%
2%
8%
21%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of K2-209 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-209 b | 2.08 | 0.87 | 0.6 | – | 2018 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| K2-209 | – | 4,720 | 0.71 | 0.74 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.