Exoplanet CatalogExoplanet WASP-138 b
Radius12.22 R⊕Earth = 1
Mass387.8 M⊕Earth = 1
Orbital period3.63 d
Equilibrium temp.1,590 K≈ 1,317 °C
Distance1,351.0 ly
Discovered2016Transit
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.22
Where it sits among all planets (percentile)
77%
82%
19%
92%
54%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of WASP-138 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| WASP-138 b | 3.63 | 12.22 | 387.8 | 1,590 | 2016 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| WASP-138 | – | 6,272 | 1.36 | 1.22 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.