Finding Earth 2.0
HD 203387

HD 203387 c

Rank #792 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%measured

0.109

Earth-2.0 index

0.428

Earth Similarity Index

0%

Habitable-zone probability

12.60 R⊕

Radius

Planet

Mass2378.946 M⊕measured
Bulk density6.530 g/cm³
Orbital period2481.0723 days
Semi-major axis5.06700 au
Eccentricity0.202
Incident flux2.822 S⊕
Equilibrium temperature329.4 K
Maximum angular separation82.06 masReflected-light contrast 1.07e-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