GJ 143 · K4.5
HD 21749 c
Rank #4333 of the ranked catalogue · Discovered by Transit in 2019
HZ 0%upper limit
0.076
Earth-2.0 index
0.180
Earth Similarity Index
0%
Habitable-zone probability
0.89 R⊕
Radius
Planet
Mass3.700 M⊕upper limit
Bulk density31.930 g/cm³
Orbital period7.7899 days
Semi-major axis0.06950 au
Eccentricity—
Incident flux305.942 S⊕
Equilibrium temperature1063.1 K
Transit-time σ at 2030389.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation4.26 masReflected-light contrast 2.86e-8 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 coverage91%0% median composite-to-default difference over shared parameters.
Host star & system
HostGJ 143
Spectral typeK4.5
Effective temperature4640 K
Radius0.695 R☉
Mass0.730 M☉
Distance16.3 pc / 53.2 ly
DiscoveryTransit, 2019