Finding Earth 2.0
HD 29399 · K1 III

HD 29399 b

Rank #1368 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.102

Earth-2.0 index

0.375

Earth Similarity Index

0%

Habitable-zone probability

13.50 R⊕

Radius

Planet

Mass498.991 M⊕M sin i
Bulk density1.110 g/cm³
Orbital period892.7000 days
Semi-major axis1.91300 au
Eccentricity0.050
Incident flux2.744 S⊕
Equilibrium temperature327.1 K
Maximum angular separation43.33 masReflected-light contrast 8.64e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · 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 29399
Spectral typeK1 III
Effective temperature4845 K
Radius4.500 R☉
Mass1.170 M☉
Distance44.2 pc / 144.0 ly
DiscoveryRadial Velocity, 2022