Finding Earth 2.0
K2-87

K2-87 b

Rank #4418 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.075

Earth-2.0 index

0.176

Earth Similarity Index

0%

Habitable-zone probability

7.60 R⊕

Radius

Planet

Mass44.900 M⊕inferred
Bulk density0.562 g/cm³
Orbital period9.7266 days
Semi-major axis0.09400 au
Eccentricity
Incident flux85.000 S⊕
Equilibrium temperature771.8 K
Transit-time σ at 203044.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.19 masReflected-light contrast 1.13e-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 coverage73%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-87
Spectral typeG
Effective temperature5747 K
Radius1.401 R☉
Mass1.164 M☉
Distance491.2 pc / 1602.2 ly
DiscoveryTransit, 2016