Exoplanet HD 180902 b
Radius13.50 R⊕Earth = 1
Mass535.5 M⊕Earth = 1
Orbital period510.90 d
Equilibrium temp.412 K≈ 139 °C
Distance341.1 ly
Discovered2009Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.50
Where it sits among all planets (percentile)
88%
85%
91%
19%
26%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 180902 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 180902 b | 510.90 | 13.50 | 535.5 | 412 | 2009 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 180902 | K0 III/IV | 4,961 | 4.16 | 1.41 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.