Finding Earth 2.0
HD 203387

HD 203387 b

Rank #3210 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.086

Earth-2.0 index

0.265

Earth Similarity Index

0%

Habitable-zone probability

13.10 R⊕

Radius

Planet

Mass1106.043 M⊕M sin i
Bulk density2.700 g/cm³
Orbital period512.5352 days
Semi-major axis1.77100 au
Eccentricity0.732
Incident flux23.097 S⊕
Equilibrium temperature557.3 K
Maximum angular separation28.68 masReflected-light contrast 9.50e-9 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 203387
Spectral typeK
Effective temperature5174 K
Radius10.585 R☉
Mass2.817 M☉
Distance61.7 pc / 201.4 ly
DiscoveryRadial Velocity, 2022