Exoplanet CatalogExoplanet Kepler-121 c
Radius2.27 R⊕Earth = 1
Mass5.8 M⊕Earth = 1
Orbital period41.01 d
Equilibrium temp.425 K≈ 152 °C
Distance1,665.1 ly
Discovered2014Transit
Size compared (radius, Earth = 1)
1.00
2.27
3.88
11.21
Where it sits among all planets (percentile)
35%
33%
76%
20%
60%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-121 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-121 b | 3.18 | 2.34 | 6.1 | 997 | 2014 |
| Kepler-121 c | 41.01 | 2.27 | 5.8 | 425 | 2014 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-121 | – | 5,311 | 0.70 | 0.86 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.