Exoplanet CatalogExoplanet HIP 81991 b
Radius12.50 R⊕Earth = 1
Mass3,019.4 M⊕Earth = 1
Orbital period5,860.00 d
Equilibrium temp.163 K≈ -110 °C
Distance143.2 ly
Discovered2026Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.50
Where it sits among all planets (percentile)
79%
96%
98%
4%
13%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HIP 81991 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HIP 81991 b | 5,860.00 | 12.50 | 3,019.4 | 163 | 2026 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HIP 81991 | G8 V | 5,100 | 2.82 | 1.09 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.