Exoplanet CatalogExoplanet Kepler-57 c
Radius2.20 R⊕Earth = 1
Mass6.9 M⊕Earth = 1
Orbital period11.60 d
Equilibrium temp.671 K≈ 398 °C
Distance2,100.9 ly
Discovered2012Transit
Size compared (radius, Earth = 1)
1.00
2.20
3.88
11.21
Where it sits among all planets (percentile)
33%
40%
52%
42%
67%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-57 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-57 b | 5.72 | 3.14 | 25.1 | 850 | 2012 |
| Kepler-57 c | 11.60 | 2.20 | 6.9 | 671 | 2012 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-57 | – | 5,188 | 0.83 | 0.86 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.