Finding Earth 2.0
HD 171028 · G0

HD 171028 b

Rank #1166 of the ranked catalogue · Discovered by Radial Velocity in 2007

HZ 0%M sin i

0.104

Earth-2.0 index

0.398

Earth Similarity Index

0%

Habitable-zone probability

13.20 R⊕

Radius

Planet

Mass832.715 M⊕M sin i
Bulk density1.990 g/cm³
Orbital period550.0000 days
Semi-major axis1.32000 au
Eccentricity0.590
Incident flux3.103 S⊕
Equilibrium temperature337.4 K
Maximum angular separation11.82 masReflected-light contrast 1.74e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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 171028
Spectral typeG0
Effective temperature5671 K
Radius2.470 R☉
Mass1.530 M☉
Distance111.7 pc / 364.2 ly
DiscoveryRadial Velocity, 2007