Exoplanet CatalogExoplanet Kepler-1638 b
Radius1.87 R⊕Earth = 1
Mass4.2 M⊕Earth = 1
Orbital period259.34 d
Equilibrium temp.304 K≈ 31 °C
Distance4,975.6 ly
Discovered2016Transit
Size compared (radius, Earth = 1)
1.00
1.87
3.88
11.21
Where it sits among all planets (percentile)
25%
24%
88%
11%
93%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-1638 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-1638 b | 259.34 | 1.87 | 4.2 | 304 | 2016 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-1638 | – | 5,710 | 0.95 | 0.97 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.