Finding Earth 2.0
TOI-1680 · M4.5+/-0.5

TOI-1680 b

Rank #227 of the ranked catalogue · Discovered by Transit in 2023

HZ 0%inferred

0.123

Earth-2.0 index

0.695

Earth Similarity Index

0%

Habitable-zone probability

1.47 R⊕

Radius

Planet

Mass2.750 M⊕inferred
Bulk density4.800 g/cm³
Orbital period4.8026 days
Semi-major axis0.03144 au
Eccentricity
Incident flux4.410 S⊕
Equilibrium temperature368.4 K
Transit-time σ at 20304.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.84 masReflected-light contrast 3.77e-7 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 coverage82%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-1680
Spectral typeM4.5+/-0.5
Effective temperature3225 K
Radius0.211 R☉
Mass0.180 M☉
Distance37.2 pc / 121.4 ly
DiscoveryTransit, 2023