Exoplanet CatalogExoplanet K2-128 b
Radius1.42 R⊕Earth = 1
Mass2.6 M⊕Earth = 1
Orbital period5.68 d
Equilibrium temp.803 K≈ 530 °C
Distance373.9 ly
Discovered2017Transit
Size compared (radius, Earth = 1)
1.00
1.42
3.88
11.21
Where it sits among all planets (percentile)
14%
13%
33%
54%
28%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of K2-128 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-128 b | 5.68 | 1.42 | 2.6 | 803 | 2017 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| K2-128 | – | 4,470 | 0.78 | 0.71 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.