Exoplanet CatalogExoplanet HD 18438 b
Radius12.10 R⊕Earth = 1
Mass6,674.4 M⊕Earth = 1
Orbital period803.00 d
Equilibrium temp.1,208 K≈ 935 °C
Distance731.1 ly
Discovered2023Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.10
Where it sits among all planets (percentile)
76%
99%
93%
80%
39%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 18438 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 18438 b | 803.00 | 12.10 | 6,674.4 | 1,208 | 2023 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 18438 | M2.5 III | 3,860 | 88.48 | 1.84 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.