Finding Earth 2.0
K2-315 · M(3.5+/-0.5) V

K2-315 b

Rank #342 of the ranked catalogue · Discovered by Transit in 2020

HZ 0%inferred

0.118

Earth-2.0 index

0.654

Earth Similarity Index

0%

Habitable-zone probability

0.95 R⊕

Radius

Planet

Mass0.809 M⊕inferred
Bulk density5.180 g/cm³
Orbital period3.1443 days
Semi-major axis— au
Eccentricity
Incident flux7.450 S⊕
Equilibrium temperature420.0 K
Transit-time σ at 203010.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.41 masReflected-light contrast 2.85e-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 coverage80%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-315
Spectral typeM(3.5+/-0.5) V
Effective temperature3300 K
Radius0.196 R☉
Mass0.174 M☉
Distance57.0 pc / 185.8 ly
DiscoveryTransit, 2020