HD 2039 · G2/G3 IV/V
HD 2039 b
Rank #857 of the ranked catalogue · Discovered by Radial Velocity in 2002
HZ 2%M sin i
0.108
Earth-2.0 index
0.433
Earth Similarity Index
2%
Habitable-zone probability
12.70 R⊕
Radius
Planet
Mass1999.151 M⊕M sin i
Bulk density5.360 g/cm³
Orbital period1120.0000 days
Semi-major axis2.20000 au
Eccentricity0.710
Incident flux0.323 S⊕
Equilibrium temperature191.6 K
Maximum angular separation25.67 masReflected-light contrast 5.78e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 2039
Spectral typeG2/G3 IV/V
Effective temperature5945 K
Radius1.190 R☉
Mass1.230 M☉
Distance85.7 pc / 279.5 ly
DiscoveryRadial Velocity, 2002