Exoplanet CatalogExoplanet HD 153557 b
Radius4.77 R⊕Earth = 1
Mass20.3 M⊕Earth = 1
Orbital period7.30 d
Equilibrium temp.772 K≈ 499 °C
Distance58.5 ly
Discovered2022Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
4.77
11.21
Where it sits among all planets (percentile)
64%
62%
40%
51%
4%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 153557 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 153557 b | 7.30 | 4.77 | 20.3 | 772 | 2022 |
| HD 153557 c | 15.27 | 4.36 | 17.5 | 604 | 2022 |
| HD 153557 d | 40,654.65 | 11.90 | 8,725.7 | 43 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 153557 | K0 | 4,837 | 0.75 | 0.79 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.