Finding Earth 2.0
HD 190647 · G5 V

HD 190647 b

Rank #1397 of the ranked catalogue · Discovered by Radial Velocity in 2007

HZ 100%M sin i

0.102

Earth-2.0 index

0.396

Earth Similarity Index

100%

Habitable-zone probability

13.40 R⊕

Radius

Planet

Mass630.893 M⊕M sin i
Bulk density1.440 g/cm³
Orbital period1176.4500 days
Semi-major axis2.23100 au
Eccentricity0.224
Incident flux0.398 S⊕
Equilibrium temperature201.9 K
Maximum angular separation40.95 masReflected-light contrast 6.26e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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 190647
Spectral typeG5 V
Effective temperature5656 K
Radius1.376 R☉
Mass1.069 M☉
Distance54.5 pc / 177.7 ly
DiscoveryRadial Velocity, 2007