Finding Earth 2.0
K2-157 · G9 V

K2-157 d

Rank #1313 of the ranked catalogue · Discovered by Radial Velocity in 2025

HZ 0%M sin i

0.102

Earth-2.0 index

0.394

Earth Similarity Index

0%

Habitable-zone probability

5.16 R⊕

Radius

Planet

Mass23.300 M⊕M sin i
Bulk density0.932 g/cm³
Orbital period66.5000 days
Semi-major axis0.30900 au
Eccentricity0.500
Incident flux6.460 S⊕
Equilibrium temperature405.3 K
Maximum angular separation1.04 masReflected-light contrast 4.84e-8 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 coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-157
Spectral typeG9 V
Effective temperature5334 K
Radius0.860 R☉
Mass0.890 M☉
Distance298.4 pc / 973.2 ly
DiscoveryRadial Velocity, 2025