Exoplanet CatalogExoplanet HD 81817 b
Radius12.00 R⊕Earth = 1
Mass7,668.6 M⊕Earth = 1
Orbital period1,021.20 d
Equilibrium temp.1,016 K≈ 743 °C
Distance877.8 ly
Discovered2020Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.00
Where it sits among all planets (percentile)
75%
100%
94%
70%
43%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 81817 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 81817 c | 622.98 | 12.00 | 7,185.8 | 1,199 | 2022 |
| HD 81817 b | 1,021.20 | 12.00 | 7,668.6 | 1,016 | 2020 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 81817 | K3 III | 4,140 | 83.80 | 4.30 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.