NGTS-18 · G5 V
NGTS-18 b
Rank #5314 of the ranked catalogue · Discovered by Transit in 2021
HZ 0%measured
0.062
Earth-2.0 index
0.072
Earth Similarity Index
0%
Habitable-zone probability
13.56 R⊕
Radius
Planet
Mass129.992 M⊕measured
Bulk density0.280 g/cm³
Orbital period3.0513 days
Semi-major axis0.04480 au
Eccentricity0.000
Incident flux845.000 S⊕
Equilibrium temperature1370.5 K
Transit-time σ at 203018.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.04 masReflected-light contrast 1.59e-5 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
HostNGTS-18
Spectral typeG5 V
Effective temperature5610 K
Radius1.392 R☉
Mass1.003 M☉
Distance1096.2 pc / 3575.3 ly
DiscoveryTransit, 2021