Finding Earth 2.0
HD 240237 · K2 III

HD 240237 b

Rank #4336 of the ranked catalogue · Discovered by Radial Velocity in 2011

HZ 0%M sin i

0.076

Earth-2.0 index

0.163

Earth Similarity Index

0%

Habitable-zone probability

12.20 R⊕

Radius

Planet

Mass5050.319 M⊕M sin i
Bulk density15.300 g/cm³
Orbital period745.7000 days
Semi-major axis1.92000 au
Eccentricity0.400
Incident flux83.830 S⊕
Equilibrium temperature769.2 K
Maximum angular separation2.06 masReflected-light contrast 7.01e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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 240237
Spectral typeK2 III
Effective temperature3926 K
Radius71.230 R☉
Mass8.760 M☉
Distance933.4 pc / 3044.3 ly
DiscoveryRadial Velocity, 2011