Finding Earth 2.0
NGTS-20 · G1 IV

NGTS-20 b

Rank #828 of the ranked catalogue · Discovered by Transit in 2022

HZ 0%measured

0.108

Earth-2.0 index

0.364

Earth Similarity Index

0%

Habitable-zone probability

11.99 R⊕

Radius

Planet

Mass947.129 M⊕measured
Bulk density3.020 g/cm³
Orbital period54.1891 days
Semi-major axis0.31300 au
Eccentricity0.432
Incident flux6.764 S⊕
Equilibrium temperature409.9 K
Transit-time σ at 203016.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.82 masReflected-light contrast 2.55e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostNGTS-20
Spectral typeG1 IV
Effective temperature5980 K
Radius1.780 R☉
Mass1.470 M☉
Distance382.9 pc / 1248.8 ly
DiscoveryTransit, 2022