Exoplanet CatalogExoplanet GJ 436 b
Radius4.17 R⊕Earth = 1
Mass22.1 M⊕Earth = 1
Orbital period2.64 d
Equilibrium temp.686 K≈ 413 °C
Distance31.8 ly
Discovered2004Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
4.17
11.21
Where it sits among all planets (percentile)
62%
63%
11%
44%
2%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of GJ 436 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| GJ 436 b | 2.64 | 4.17 | 22.1 | 686 | 2004 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| GJ 436 | M2.5 V | 3,586 | 0.46 | 0.47 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.