Finding Earth 2.0
HD 216437 · G1 V

HD 216437 b

Rank #606 of the ranked catalogue · Discovered by Radial Velocity in 2002

HZ 0%measured

0.112

Earth-2.0 index

0.426

Earth Similarity Index

0%

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass1334.879 M⊕measured
Bulk density3.340 g/cm³
Orbital period1359.0000 days
Semi-major axis2.57000 au
Eccentricity0.310
Incident flux0.339 S⊕
Equilibrium temperature193.9 K
Maximum angular separation96.29 masReflected-light contrast 4.44e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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 216437
Spectral typeG1 V
Effective temperature5909 K
Radius1.394 R☉
Mass1.220 M☉
Distance26.7 pc / 87.1 ly
DiscoveryRadial Velocity, 2002