Exoplanet CatalogExoplanet K2-221 b
Radius1.68 R⊕Earth = 1
Mass3.5 M⊕Earth = 1
Orbital period2.40 d
Equilibrium temp.–
Distance1,039.8 ly
Discovered2018Transit
Size compared (radius, Earth = 1)
1.00
1.68
3.88
11.21
Where it sits among all planets (percentile)
21%
20%
10%
47%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of K2-221 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-221 b | 2.40 | 1.68 | 3.5 | – | 2018 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| K2-221 | – | 5,716 | 0.95 | 1.01 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.