Finding Earth 2.0
NGTS-4

NGTS-4 b

Rank #3948 of the ranked catalogue · Discovered by Transit in 2019

HZ 0%measured

0.080

Earth-2.0 index

0.148

Earth Similarity Index

0%

Habitable-zone probability

3.18 R⊕

Radius

Planet

Mass20.600 M⊕measured
Bulk density3.450 g/cm³
Orbital period1.3374 days
Semi-major axis0.01900 au
Eccentricity0.000
Incident flux886.984 S⊕
Equilibrium temperature1387.2 K
Transit-time σ at 203042.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.07 masReflected-light contrast 4.86e-6 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 coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostNGTS-4
Spectral typeK
Effective temperature5143 K
Radius0.840 R☉
Mass0.750 M☉
Distance280.6 pc / 915.0 ly
DiscoveryTransit, 2019