Exoplanet HD 28109 d
Radius3.11 R⊕Earth = 1
Mass5.8 M⊕Earth = 1
Orbital period84.29 d
Equilibrium temp.561 K≈ 288 °C
Distance455.3 ly
Discovered2022Transit
Size compared (radius, Earth = 1)
1.00
3.11
3.88
11.21
Where it sits among all planets (percentile)
54%
33%
82%
32%
31%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 28109 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 28109 b | 22.89 | 2.69 | 6.2 | 867 | 2022 |
| HD 28109 c | 56.00 | 4.13 | 9.2 | 643 | 2022 |
| HD 28109 d | 84.29 | 3.11 | 5.8 | 561 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 28109 | F8 | 6,189 | 1.42 | 1.23 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.