Finding Earth 2.0
TOI-1820

TOI-1820 b

Rank #4350 of the ranked catalogue · Discovered by Transit in 2022

HZ 0%measured

0.076

Earth-2.0 index

0.133

Earth Similarity Index

0%

Habitable-zone probability

12.78 R⊕

Radius

Planet

Mass731.005 M⊕measured
Bulk density2.000 g/cm³
Orbital period4.8607 days
Semi-major axis0.06100 au
Eccentricity0.043
Incident flux292.245 S⊕
Equilibrium temperature1051.0 K
Transit-time σ at 20305.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.24 masReflected-light contrast 7.62e-6 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

HostTOI-1820
Spectral typeG
Effective temperature5734 K
Radius1.510 R☉
Mass1.040 M☉
Distance248.5 pc / 810.5 ly
DiscoveryTransit, 2022