Finding Earth 2.0
HD 210702 · K1 IV

HD 210702 b

Rank #2375 of the ranked catalogue · Discovered by Radial Velocity in 2007

HZ 0%M sin i

0.093

Earth-2.0 index

0.287

Earth Similarity Index

0%

Habitable-zone probability

13.60 R⊕

Radius

Planet

Mass481.510 M⊕M sin i
Bulk density1.050 g/cm³
Orbital period355.5000 days
Semi-major axis1.07900 au
Eccentricity0.071
Incident flux9.319 S⊕
Equilibrium temperature444.1 K
Maximum angular separation19.91 masReflected-light contrast 2.76e-8 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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 210702
Spectral typeK1 IV
Effective temperature4912 K
Radius4.540 R☉
Mass1.330 M☉
Distance54.2 pc / 176.8 ly
DiscoveryRadial Velocity, 2007