Finding Earth 2.0
K2-80

K2-80 d

Discovered by Transit in 2018

unknowninferred

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

2.55 R⊕

Radius

Planet

Mass7.040 M⊕inferred
Bulk density2.330 g/cm³
Orbital period28.8672 days
Semi-major axis— au
Eccentricity
Incident flux— S⊕
Equilibrium temperature— K
Transit-time σ at 20301391.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.89 masReflected-light contrast 3.54e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-80
Spectral typeG
Effective temperature5377 K
Radius0.842 R☉
Mass0.913 M☉
Distance200.8 pc / 654.9 ly
DiscoveryTransit, 2018