Exoplanet CatalogExoplanet HD 101581 b
Radius0.96 R⊕Earth = 1
Mass0.8 M⊕Earth = 1
Orbital period4.47 d
Equilibrium temp.834 K≈ 561 °C
Distance41.7 ly
Discovered2025Transit
Size compared (radius, Earth = 1)
0.96
1.00
3.88
11.21
Where it sits among all planets (percentile)
3%
3%
26%
57%
3%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HIP 56998 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 101581 b | 4.47 | 0.96 | 0.8 | 834 | 2025 |
| HD 101581 c | 6.20 | 0.99 | 0.9 | 747 | 2025 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HIP 56998 | K4/5V | 4,675 | 0.63 | 0.65 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.