Exoplanet CatalogExoplanet KOI-1257 b
Radius10.54 R⊕Earth = 1
Mass460.8 M⊕Earth = 1
Orbital period86.65 d
Equilibrium temp.511 K≈ 238 °C
Distance2,139.6 ly
Discovered2014Transit
Size compared (radius, Earth = 1)
1.00
3.88
10.54
11.21
Where it sits among all planets (percentile)
72%
83%
82%
27%
68%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of KOI-1257 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| KOI-1257 b | 86.65 | 10.54 | 460.8 | 511 | 2014 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| KOI-1257 | G5 V | 5,520 | 1.13 | 0.99 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.