NGTS-1 · M0.5
NGTS-1 b
Rank #3900 of the ranked catalogue · Discovered by Transit in 2017
HZ 0%measured
0.081
Earth-2.0 index
0.150
Earth Similarity Index
0%
Habitable-zone probability
14.91 R⊕
Radius
Planet
Mass258.078 M⊕measured
Bulk density0.420 g/cm³
Orbital period2.6473 days
Semi-major axis0.03260 au
Eccentricity0.016
Incident flux65.300 S⊕
Equilibrium temperature722.6 K
Transit-time σ at 203052.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.15 masReflected-light contrast 3.63e-5 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 coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostNGTS-1
Spectral typeM0.5
Effective temperature3916 K
Radius0.573 R☉
Mass0.617 M☉
Distance218.1 pc / 711.4 ly
DiscoveryTransit, 2017