Finding Earth 2.0
K2-122 · M0

K2-122 b

Rank #1601 of the ranked catalogue · Discovered by Transit in 2017

HZ 0%inferred

0.099

Earth-2.0 index

0.363

Earth Similarity Index

0%

Habitable-zone probability

1.16 R⊕

Radius

Planet

Mass1.650 M⊕inferred
Bulk density5.810 g/cm³
Orbital period2.2193 days
Semi-major axis0.03730 au
Eccentricity0.210
Incident flux79.900 S⊕
Equilibrium temperature760.0 K
Transit-time σ at 20307.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.52 masReflected-light contrast 1.68e-7 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

HostK2-122
Spectral typeM0
Effective temperature4009 K
Radius0.590 R☉
Mass0.630 M☉
Distance72.0 pc / 235.0 ly
DiscoveryTransit, 2017