Exoplanet CatalogExoplanet GJ 1214 b
Radius2.73 R⊕Earth = 1
Mass8.4 M⊕Earth = 1
Orbital period1.58 d
Equilibrium temp.567 K≈ 294 °C
Distance47.8 ly
Discovered2009Transit
Size compared (radius, Earth = 1)
1.00
2.73
3.88
11.21
Where it sits among all planets (percentile)
48%
47%
5%
33%
3%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of GJ 1214 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| GJ 1214 b | 1.58 | 2.73 | 8.4 | 567 | 2009 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| GJ 1214 | M4 V | 3,101 | 0.22 | 0.18 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.