Finding Earth 2.0
HD 29021 · G5

HD 29021 b

Rank #1076 of the ranked catalogue · Discovered by Radial Velocity in 2017

HZ 0%measured

0.105

Earth-2.0 index

0.349

Earth Similarity Index

0%

Habitable-zone probability

12.90 R⊕

Radius

Planet

Mass1420.693 M⊕measured
Bulk density3.640 g/cm³
Orbital period1365.0000 days
Semi-major axis2.29400 au
Eccentricity0.453
Incident flux0.125 S⊕
Equilibrium temperature151.2 K
Maximum angular separation74.02 masReflected-light contrast 5.49e-9 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 29021
Spectral typeG5
Effective temperature5560 K
Radius0.850 R☉
Mass0.860 M☉
Distance31.0 pc / 101.1 ly
DiscoveryRadial Velocity, 2017