Exoplanet HD 2039 b
Radius12.70 R⊕Earth = 1
Mass1,999.2 M⊕Earth = 1
Orbital period1,120.00 d
Equilibrium temp.211 K≈ -62 °C
Distance279.5 ly
Discovered2002Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.70
Where it sits among all planets (percentile)
81%
94%
94%
6%
23%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 2039 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 2039 b | 1,120.00 | 12.70 | 1,999.2 | 211 | 2002 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 2039 | G2/G3 IV/V | 5,945 | 1.19 | 1.23 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.