HIP 57274 · K4 V
HIP 57274 d
Rank #2269 of the ranked catalogue · Discovered by Radial Velocity in 2011
HZ 0%M sin i
0.094
Earth-2.0 index
0.335
Earth Similarity Index
0%
Habitable-zone probability
14.20 R⊕
Radius
Planet
Mass167.400 M⊕M sin i
Bulk density0.321 g/cm³
Orbital period431.7000 days
Semi-major axis1.01000 au
Eccentricity0.270
Incident flux1.518 S⊕
Equilibrium temperature282.2 K
Maximum angular separation39.05 masReflected-light contrast 3.43e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · 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
HostHIP 57274
Spectral typeK4 V
Effective temperature4640 K
Radius0.680 R☉
Mass0.730 M☉
Distance25.9 pc / 84.4 ly
DiscoveryRadial Velocity, 2011