Finding Earth 2.0
HIP 10090 · K0

HIP 10090 c

Rank #1131 of the ranked catalogue · Discovered by Radial Velocity in 2026

HZ 0%measured

0.104

Earth-2.0 index

0.352

Earth Similarity Index

0%

Habitable-zone probability

13.90 R⊕

Radius

Planet

Mass270.154 M⊕measured
Bulk density0.553 g/cm³
Orbital period321.8200 days
Semi-major axis0.90000 au
Eccentricity0.188
Incident flux1.986 S⊕
Equilibrium temperature301.7 K
Maximum angular separation10.92 masReflected-light contrast 4.14e-8 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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHIP 10090
Spectral typeK0
Effective temperature5661 K
Radius1.383 R☉
Mass0.940 M☉
Distance82.4 pc / 268.7 ly
DiscoveryRadial Velocity, 2026