Finding Earth 2.0
TOI-1859

TOI-1859 b

Rank #4001 of the ranked catalogue · Discovered by Transit in 2023

HZ 0%inferred

0.080

Earth-2.0 index

0.215

Earth Similarity Index

0%

Habitable-zone probability

9.75 R⊕

Radius

Planet

Mass68.600 M⊕inferred
Bulk density0.406 g/cm³
Orbital period63.4835 days
Semi-major axis0.33700 au
Eccentricity0.570
Incident flux23.786 S⊕
Equilibrium temperature561.4 K
Transit-time σ at 20308.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.50 masReflected-light contrast 1.45e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-1859
Spectral typeF
Effective temperature6341 K
Radius1.360 R☉
Mass1.287 M☉
Distance224.4 pc / 731.8 ly
DiscoveryTransit, 2023