Finding Earth 2.0
K2-77

K2-77 b

Rank #4970 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%upper limit

0.068

Earth-2.0 index

0.119

Earth Similarity Index

0%

Habitable-zone probability

2.50 R⊕

Radius

Planet

Mass603.877 M⊕upper limit
Bulk density213.207 g/cm³
Orbital period8.2001 days
Semi-major axis0.07530 au
Eccentricity0.290
Incident flux58.000 S⊕
Equilibrium temperature701.5 K
Transit-time σ at 20308.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.53 masReflected-light contrast 1.91e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage82%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-77
Spectral typeK
Effective temperature5160 K
Radius0.792 R☉
Mass0.847 M☉
Distance141.7 pc / 462.3 ly
DiscoveryTransit, 2016