Exoplanet CatalogExoplanet HD 221420 b
Radius12.00 R⊕Earth = 1
Mass7,278.3 M⊕Earth = 1
Orbital period10,090.00 d
Equilibrium temp.123 K≈ -150 °C
Distance101.6 ly
Discovered2019Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.00
Where it sits among all planets (percentile)
75%
100%
99%
3%
9%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 221420 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 221420 b | 10,090.00 | 12.00 | 7,278.3 | 123 | 2019 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 221420 | G2 IV-V | 5,847 | 1.95 | 1.35 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.