NGTS-21 · K3 V
NGTS-21 b
Rank #4949 of the ranked catalogue · Discovered by Transit in 2022
HZ 0%measured
0.068
Earth-2.0 index
0.102
Earth Similarity Index
0%
Habitable-zone probability
14.91 R⊕
Radius
Planet
Mass750.075 M⊕measured
Bulk density1.250 g/cm³
Orbital period1.5434 days
Semi-major axis0.02360 au
Eccentricity0.000
Incident flux514.285 S⊕
Equilibrium temperature1210.5 K
Transit-time σ at 20306.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.04 masReflected-light contrast 6.93e-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 coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostNGTS-21
Spectral typeK3 V
Effective temperature4660 K
Radius0.860 R☉
Mass0.720 M☉
Distance592.9 pc / 1933.7 ly
DiscoveryTransit, 2022