Exoplanet HD 221287 b
Radius13.10 R⊕Earth = 1
Mass982.0 M⊕Earth = 1
Orbital period456.10 d
Equilibrium temp.290 K≈ 17 °C
Distance182.4 ly
Discovered2007Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.10
Where it sits among all planets (percentile)
84%
90%
90%
10%
17%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 221287 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 221287 b | 456.10 | 13.10 | 982.0 | 290 | 2007 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 221287 | F7 V | 6,304 | 1.14 | 1.25 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.