Exoplanet CatalogExoplanet HD 278555 b
Radius11.03 R⊕Earth = 1
Mass267.0 M⊕Earth = 1
Orbital period28.84 d
Equilibrium temp.853 K≈ 580 °C
Distance945.3 ly
Discovered2026Transit
Size compared (radius, Earth = 1)
1.00
3.88
11.03
11.21
Where it sits among all planets (percentile)
73%
78%
71%
58%
45%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 278555 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 278555 b | 28.84 | 11.03 | 267.0 | 853 | 2026 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 278555 | F8 | 6,047 | 1.62 | 1.26 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.