K2-55
K2-55 b
Rank #2311 of the ranked catalogue · Discovered by Transit in 2016
HZ 0%measured
0.093
Earth-2.0 index
0.225
Earth Similarity Index
0%
Habitable-zone probability
4.43 R⊕
Radius
Planet
Mass44.000 M⊕measured
Bulk density2.800 g/cm³
Orbital period2.8493 days
Semi-major axis0.03486 au
Eccentricity0.070
Incident flux141.300 S⊕
Equilibrium temperature876.4 K
Transit-time σ at 203080.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.22 masReflected-light contrast 2.80e-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 coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-55
Spectral typeK
Effective temperature4300 K
Radius0.715 R☉
Mass0.688 M☉
Distance159.5 pc / 520.3 ly
DiscoveryTransit, 2016