Finding Earth 2.0
TOI-1873

TOI-1873 b

Rank #4079 of the ranked catalogue · Discovered by Transit in 2026

HZ 0%inferred

0.079

Earth-2.0 index

0.227

Earth Similarity Index

0%

Habitable-zone probability

2.86 R⊕

Radius

Planet

Mass8.570 M⊕inferred
Bulk density2.010 g/cm³
Orbital period7.0057 days
Semi-major axis— au
Eccentricity
Incident flux171.894 S⊕
Equilibrium temperature920.4 K
Transit-time σ at 203026.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.40 masReflected-light contrast 2.74e-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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-1873
Spectral typeG
Effective temperature5598 K
Radius0.972 R☉
Mass1.015 M☉
Distance182.0 pc / 593.6 ly
DiscoveryTransit, 2026