Exoplanet CatalogExoplanet K2-331 b
Radius1.79 R⊕Earth = 1
Mass3.9 M⊕Earth = 1
Orbital period9.40 d
Equilibrium temp.909 K≈ 636 °C
Distance689.6 ly
Discovered2021Transit
Size compared (radius, Earth = 1)
1.00
1.79
3.88
11.21
Where it sits among all planets (percentile)
24%
22%
47%
63%
38%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of K2-331 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-331 b | 9.40 | 1.79 | 3.9 | 909 | 2021 |
| K2-331 c | 23.00 | 2.72 | 7.8 | 673 | 2021 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| K2-331 | – | 5,994 | 1.06 | 1.10 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.