Exoplanet CatalogExoplanet GJ 3138 d
Radius3.23 R⊕Earth = 1
Mass10.5 M⊕Earth = 1
Orbital period257.80 d
Equilibrium temp.152 K≈ -121 °C
Distance92.9 ly
Discovered2017Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.23
3.88
11.21
Where it sits among all planets (percentile)
56%
53%
88%
4%
8%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of GJ 3138 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| GJ 3138 b | 1.22 | 1.18 | 1.8 | 903 | 2017 |
| GJ 3138 c | 5.97 | 1.88 | 4.2 | 531 | 2017 |
| GJ 3138 d | 257.80 | 3.23 | 10.5 | 152 | 2017 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| GJ 3138 | M0 | 3,717 | 0.50 | 0.68 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.