Finding Earth 2.0
K2-117 · M1.0 V

K2-117 b

Rank #2893 of the ranked catalogue · Discovered by Transit in 2017

HZ 0%inferred

0.089

Earth-2.0 index

0.270

Earth Similarity Index

0%

Habitable-zone probability

2.03 R⊕

Radius

Planet

Mass4.780 M⊕inferred
Bulk density3.140 g/cm³
Orbital period1.2916 days
Semi-major axis0.01890 au
Eccentricity0.060
Incident flux145.800 S⊕
Equilibrium temperature883.3 K
Transit-time σ at 2030304.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.19 masReflected-light contrast 2.00e-6 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

HostK2-117
Spectral typeM1.0 V
Effective temperature3778 K
Radius0.510 R☉
Mass0.540 M☉
Distance101.6 pc / 331.5 ly
DiscoveryTransit, 2017