Finding Earth 2.0
HIP 78530 · B9 V

HIP 78530 b

Discovered by Imaging in 2010

unknownmeasured

Earth-2.0 index

0.027

Earth Similarity Index

Habitable-zone probability

12.00 R⊕

Radius

Planet

Mass7300.000 M⊕measured
Bulk density23.200 g/cm³
Orbital period— days
Semi-major axis740.00000 au
Eccentricity
Incident flux0.000 S⊕
Equilibrium temperature20.5 K
Maximum angular separation5410.98 masReflected-light contrast 5.00e-14 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 coverage60%0% median composite-to-default difference over shared parameters.

Host star & system

HostHIP 78530
Spectral typeB9 V
Effective temperature10500 K
Radius2.109 R☉
Mass2.500 M☉
Distance136.8 pc / 446.0 ly
DiscoveryImaging, 2010