Finding Earth 2.0
HD 216435 · G0 V

HD 216435 b

Rank #1261 of the ranked catalogue · Discovered by Radial Velocity in 2002

HZ 99%M sin i

0.103

Earth-2.0 index

0.387

Earth Similarity Index

99%

Habitable-zone probability

13.70 R⊕

Radius

Planet

Mass400.400 M⊕M sin i
Bulk density0.856 g/cm³
Orbital period1311.0000 days
Semi-major axis2.56000 au
Eccentricity0.070
Incident flux0.550 S⊕
Equilibrium temperature218.9 K
Maximum angular separation77.61 masReflected-light contrast 4.97e-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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 216435
Spectral typeG0 V
Effective temperature5999 K
Radius1.800 R☉
Mass1.300 M☉
Distance33.0 pc / 107.6 ly
DiscoveryRadial Velocity, 2002