Finding Earth 2.0
HD 4203 · G5

HD 4203 c

Rank #2938 of the ranked catalogue · Discovered by Radial Velocity in 2014

HZ 0%M sin i

0.088

Earth-2.0 index

0.244

Earth Similarity Index

0%

Habitable-zone probability

13.30 R⊕

Radius

Planet

Mass689.660 M⊕M sin i
Bulk density1.610 g/cm³
Orbital period6700.0000 days
Semi-major axis6.95000 au
Eccentricity0.240
Incident flux0.041 S⊕
Equilibrium temperature114.1 K
Maximum angular separation85.40 masReflected-light contrast 6.36e-10 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 4203
Spectral typeG5
Effective temperature5582 K
Radius1.498 R☉
Mass0.990 M☉
Distance81.4 pc / 265.4 ly
DiscoveryRadial Velocity, 2014