Exoplanet CatalogExoplanet HD 190228 b
Radius12.90 R⊕Earth = 1
Mass1,598.7 M⊕Earth = 1
Orbital period1,143.60 d
Equilibrium temp.268 K≈ -5 °C
Distance204.5 ly
Discovered2022Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.90
Where it sits among all planets (percentile)
83%
92%
94%
9%
19%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 190228 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 190228 b | 1,143.60 | 12.90 | 1,598.7 | 268 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 190228 | G5 IV | 5,360 | 2.59 | 1.42 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.