Exoplanet CatalogExoplanet Kepler-388 b
Radius0.81 R⊕Earth = 1
Mass0.5 M⊕Earth = 1
Orbital period3.17 d
Equilibrium temp.830 K≈ 557 °C
Distance1,386.2 ly
Discovered2014Transit
Size compared (radius, Earth = 1)
0.81
1.00
3.88
11.21
Where it sits among all planets (percentile)
2%
1%
15%
56%
55%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-388 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-388 b | 3.17 | 0.81 | 0.5 | 830 | 2014 |
| Kepler-388 c | 13.30 | 0.86 | 0.6 | 515 | 2014 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-388 | – | 4,498 | 0.59 | 0.64 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.