Finding Earth 2.0
K2-73

K2-73 c

Rank #1250 of the ranked catalogue · Discovered by Radial Velocity in 2025

HZ 4%M sin i

0.103

Earth-2.0 index

0.405

Earth Similarity Index

4%

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass1142.000 M⊕M sin i
Bulk density2.860 g/cm³
Orbital period1000.0000 days
Semi-major axis— au
Eccentricity
Incident flux0.285 S⊕
Equilibrium temperature185.7 K
Maximum angular separation7.32 masReflected-light contrast 7.56e-9 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 coverage80%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-73
Spectral typeG
Effective temperature5867 K
Radius1.058 R☉
Mass1.020 M☉
Distance269.2 pc / 878.0 ly
DiscoveryRadial Velocity, 2025