Exoplanet CatalogExoplanet Kepler-1257 b
Radius1.52 R⊕Earth = 1
Mass2.9 M⊕Earth = 1
Orbital period2.67 d
Equilibrium temp.1,252 K≈ 979 °C
Distance3,607.1 ly
Discovered2016Transit
Size compared (radius, Earth = 1)
1.00
1.52
3.88
11.21
Where it sits among all planets (percentile)
16%
15%
11%
82%
86%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-1257 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-1257 b | 2.67 | 1.52 | 2.9 | 1,252 | 2016 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-1257 | – | 5,502 | 0.87 | 0.90 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.