Exoplanet CatalogExoplanet HD 12661 b
Radius13.30 R⊕Earth = 1
Mass772.3 M⊕Earth = 1
Orbital period262.71 d
Equilibrium temp.325 K≈ 52 °C
Distance123.4 ly
Discovered2000Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.30
Where it sits among all planets (percentile)
86%
88%
88%
12%
11%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 12661 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 12661 b | 262.71 | 13.30 | 772.3 | 325 | 2000 |
| HD 12661 c | 1,708.00 | 13.20 | 899.5 | 174 | 2002 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 12661 | K0 | 5,645 | 1.20 | 1.20 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.