Exoplanet CatalogExoplanet HD 109988 b
Radius12.10 R⊕Earth = 1
Mass6,935.3 M⊕Earth = 1
Orbital period17,132.16 d
Equilibrium temp.66 K≈ -207 °C
Distance138.7 ly
Discovered2022Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.10
Where it sits among all planets (percentile)
76%
99%
99%
1%
13%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 109988 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 109988 b | 17,132.16 | 12.10 | 6,935.3 | 66 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 109988 | – | 5,186 | 0.87 | 0.88 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.