Finding Earth 2.0
HD 31527 · G2 V

HD 31527 c

Rank #1602 of the ranked catalogue · Discovered by Radial Velocity in 2019

HZ 0%M sin i

0.099

Earth-2.0 index

0.361

Earth Similarity Index

0%

Habitable-zone probability

3.85 R⊕

Radius

Planet

Mass14.160 M⊕M sin i
Bulk density1.360 g/cm³
Orbital period51.2053 days
Semi-major axis0.26630 au
Eccentricity0.040
Incident flux16.922 S⊕
Equilibrium temperature515.6 K
Maximum angular separation6.93 masReflected-light contrast 3.63e-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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 31527
Spectral typeG2 V
Effective temperature5898 K
Radius1.074 R☉
Mass0.960 M☉
Distance38.4 pc / 125.4 ly
DiscoveryRadial Velocity, 2019