K2-291
K2-291 b
Rank #3172 of the ranked catalogue · Discovered by Transit in 2019
HZ 0%measured
0.087
Earth-2.0 index
0.180
Earth Similarity Index
0%
Habitable-zone probability
1.59 R⊕
Radius
Planet
Mass6.490 M⊕measured
Bulk density8.840 g/cm³
Orbital period2.2252 days
Semi-major axis0.03261 au
Eccentricity0.000
Incident flux633.000 S⊕
Equilibrium temperature1275.0 K
Transit-time σ at 2030205.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.36 masReflected-light contrast 4.12e-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 coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-291
Spectral typeG
Effective temperature5520 K
Radius0.899 R☉
Mass0.934 M☉
Distance90.1 pc / 293.7 ly
DiscoveryTransit, 2019