Exoplanet HD 99109 b
Radius14.30 R⊕Earth = 1
Mass139.8 M⊕Earth = 1
Orbital period439.30 d
Equilibrium temp.239 K≈ -34 °C
Distance178.7 ly
Discovered2005Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
14.30
Where it sits among all planets (percentile)
95%
73%
90%
7%
16%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 99109 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 99109 b | 439.30 | 14.30 | 139.8 | 239 | 2005 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 99109 | G8/K0 IV | 5,282 | 0.98 | 0.76 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.