Finding Earth 2.0
HD 15906 · K V

HD 15906 c

Rank #1345 of the ranked catalogue · Discovered by Transit in 2023

HZ 0%inferred

0.102

Earth-2.0 index

0.427

Earth Similarity Index

0%

Habitable-zone probability

2.93 R⊕

Radius

Planet

Mass8.910 M⊕inferred
Bulk density1.950 g/cm³
Orbital period21.5833 days
Semi-major axis0.14100 au
Eccentricity0.040
Incident flux13.370 S⊕
Equilibrium temperature486.1 K
Transit-time σ at 203019.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation3.10 masReflected-light contrast 7.50e-8 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 coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 15906
Spectral typeK V
Effective temperature4757 K
Radius0.762 R☉
Mass0.790 M☉
Distance45.6 pc / 148.6 ly
DiscoveryTransit, 2023