Exoplanet CatalogExoplanet HD 81688 b
Radius13.50 R⊕Earth = 1
Mass525.7 M⊕Earth = 1
Orbital period183.93 d
Equilibrium temp.959 K≈ 686 °C
Distance279.6 ly
Discovered2007Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.50
Where it sits among all planets (percentile)
88%
84%
86%
66%
23%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 81688 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 81688 b | 183.93 | 13.50 | 525.7 | 959 | 2007 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 81688 | K0 III-IV | 4,797 | 11.13 | 1.07 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.