Finding Earth 2.0
K2-199

K2-199 c

Rank #775 of the ranked catalogue · Discovered by Transit in 2018

HZ 0%measured

0.109

Earth-2.0 index

0.351

Earth Similarity Index

0%

Habitable-zone probability

2.85 R⊕

Radius

Planet

Mass12.400 M⊕measured
Bulk density2.900 g/cm³
Orbital period7.3745 days
Semi-major axis0.06620 au
Eccentricity0.030
Incident flux38.600 S⊕
Equilibrium temperature633.6 K
Transit-time σ at 20303.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.62 masReflected-light contrast 3.22e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-199
Spectral typeK
Effective temperature4491 K
Radius0.682 R☉
Mass0.711 M☉
Distance107.5 pc / 350.7 ly
DiscoveryTransit, 2018