Finding Earth 2.0
HD 109271 · G5 V

HD 109271 c

Rank #3246 of the ranked catalogue · Discovered by Radial Velocity in 2013

HZ 0%M sin i

0.086

Earth-2.0 index

0.238

Earth Similarity Index

0%

Habitable-zone probability

5.27 R⊕

Radius

Planet

Mass24.154 M⊕M sin i
Bulk density0.907 g/cm³
Orbital period30.9300 days
Semi-major axis0.19600 au
Eccentricity0.150
Incident flux52.058 S⊕
Equilibrium temperature682.8 K
Maximum angular separation3.51 masReflected-light contrast 1.25e-7 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 109271
Spectral typeG5 V
Effective temperature5783 K
Radius1.295 R☉
Mass1.047 M☉
Distance55.9 pc / 182.2 ly
DiscoveryRadial Velocity, 2013