Finding Earth 2.0
HD 215497 · K3 V

HD 215497 c

Rank #2239 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%measured

0.094

Earth-2.0 index

0.272

Earth Similarity Index

0%

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass111.240 M⊕measured
Bulk density0.278 g/cm³
Orbital period566.0000 days
Semi-major axis1.31000 au
Eccentricity0.470
Incident flux0.227 S⊕
Equilibrium temperature175.4 K
Maximum angular separation32.31 masReflected-light contrast 1.71e-8 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 215497
Spectral typeK3 V
Effective temperature5113 K
Radius0.850 R☉
Mass0.920 M☉
Distance40.5 pc / 132.2 ly
DiscoveryRadial Velocity, 2009