Finding Earth 2.0
K2-229 · G9

K2-229 b

Rank #4498 of the ranked catalogue · Discovered by Transit in 2018

HZ 0%measured

0.074

Earth-2.0 index

0.120

Earth Similarity Index

0%

Habitable-zone probability

1.00 R⊕

Radius

Planet

Mass2.550 M⊕measured
Bulk density7.600 g/cm³
Orbital period0.5842 days
Semi-major axis0.01310 au
Eccentricity0.000
Incident flux2290.000 S⊕
Equilibrium temperature1758.4 K
Transit-time σ at 2030263.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.13 masReflected-light contrast 1.01e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage42%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-229
Spectral typeG9
Effective temperature5315 K
Radius0.790 R☉
Mass0.870 M☉
Distance102.6 pc / 334.5 ly
DiscoveryTransit, 2018