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GJ 1214 b
Orbiting GJ 1214, discovered in 2009 (7514) by MEarth Project via the Transit method.
Planet
| Radius | 2.73 R⊕ |
| Mass | 8.41 M⊕ |
| Orbital period | 1.58 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.006 |
| Equilibrium temperature | 567 K (294 °C) |
Host star — GJ 1214
| Temperature | 3101 K (2828 °C) |
| Radius | 0.22 R☉ |
| Mass | 0.18 M☉ |
Location
| Distance from Earth | 14.6 pc (~48 light-years) |
| Right ascension / Declination | 258.8314 / 4.9607 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.