Finding Earth 2.0
HD 147873 · G1 V

HD 147873 c

Rank #1387 of the ranked catalogue · Discovered by Radial Velocity in 2016

HZ 0%M sin i

0.102

Earth-2.0 index

0.386

Earth Similarity Index

0%

Habitable-zone probability

13.30 R⊕

Radius

Planet

Mass731.009 M⊕M sin i
Bulk density1.710 g/cm³
Orbital period491.5400 days
Semi-major axis1.36000 au
Eccentricity0.230
Incident flux3.239 S⊕
Equilibrium temperature341.0 K
Maximum angular separation12.47 masReflected-light contrast 1.66e-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

HostHD 147873
Spectral typeG1 V
Effective temperature5972 K
Radius2.290 R☉
Mass1.380 M☉
Distance109.1 pc / 355.7 ly
DiscoveryRadial Velocity, 2016