Finding Earth 2.0
K2-117 · M1.0 V

K2-117 c

Rank #1020 of the ranked catalogue · Discovered by Transit in 2017

HZ 0%inferred

0.106

Earth-2.0 index

0.438

Earth Similarity Index

0%

Habitable-zone probability

2.06 R⊕

Radius

Planet

Mass4.900 M⊕inferred
Bulk density3.080 g/cm³
Orbital period5.4440 days
Semi-major axis0.04920 au
Eccentricity0.150
Incident flux21.400 S⊕
Equilibrium temperature546.7 K
Transit-time σ at 2030654.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.48 masReflected-light contrast 3.04e-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

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