Finding Earth 2.0
HD 169830 · F7 V

HD 169830 c

Rank #493 of the ranked catalogue · Discovered by Radial Velocity in 2003

HZ 100%measured

0.114

Earth-2.0 index

0.453

Earth Similarity Index

100%

Habitable-zone probability

12.60 R⊕

Radius

Planet

Mass2437.426 M⊕measured
Bulk density6.700 g/cm³
Orbital period1818.8234 days
Semi-major axis3.07500 au
Eccentricity0.246
Incident flux0.486 S⊕
Equilibrium temperature212.2 K
Maximum angular separation81.77 masReflected-light contrast 2.91e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · 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 169830
Spectral typeF7 V
Effective temperature6300 K
Radius1.936 R☉
Mass1.170 M☉
Distance37.6 pc / 122.7 ly
DiscoveryRadial Velocity, 2003