Finding Earth 2.0
HD 87816 · K0 III

HD 87816 c

Rank #1304 of the ranked catalogue · Discovered by Radial Velocity in 2025

HZ 98%M sin i

0.103

Earth-2.0 index

0.395

Earth Similarity Index

98%

Habitable-zone probability

12.40 R⊕

Radius

Planet

Mass3877.507 M⊕M sin i
Bulk density11.200 g/cm³
Orbital period7596.0000 days
Semi-major axis10.14000 au
Eccentricity0.190
Incident flux0.440 S⊕
Equilibrium temperature207.0 K
Maximum angular separation76.11 masReflected-light contrast 2.60e-10 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 87816
Spectral typeK0 III
Effective temperature4989 K
Radius9.000 R☉
Mass2.410 M☉
Distance133.2 pc / 434.5 ly
DiscoveryRadial Velocity, 2025