The HD 81817 system (2 planets)
Distance877.8 ly
Planets2
Spectral typeK3 III
Star Teff4,140 K
Orbital period (days)
622.98
1,021.20
| 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 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.