Exoplanet K2-139 b
Radius9.11 R⊕Earth = 1
Mass123.0 M⊕Earth = 1
Orbital period28.38 d
Equilibrium temp.524 K≈ 251 °C
Distance501.8 ly
Discovered2017Transit
Size compared (radius, Earth = 1)
1.00
3.88
9.11
11.21
Where it sits among all planets (percentile)
70%
72%
71%
28%
32%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of K2-139 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-139 b | 28.38 | 9.11 | 123.0 | 524 | 2017 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| K2-139 | K0 V | 5,370 | 0.88 | 0.96 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.