Finding Earth 2.0
TOI-1080 · M4.0±1.0 V

TOI-1080 b

Rank #834 of the ranked catalogue · Discovered by Transit in 2026

HZ 1%upper limit

0.108

Earth-2.0 index

0.469

Earth Similarity Index

1%

Habitable-zone probability

1.20 R⊕

Radius

Planet

Mass10.700 M⊕upper limit
Bulk density34.143 g/cm³
Orbital period3.9653 days
Semi-major axis0.02720 au
Eccentricity
Incident flux4.350 S⊕
Equilibrium temperature367.1 K
Transit-time σ at 20301.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.06 masReflected-light contrast 3.38e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-1080
Spectral typeM4.0±1.0 V
Effective temperature3065 K
Radius0.202 R☉
Mass0.167 M☉
Distance25.6 pc / 83.4 ly
DiscoveryTransit, 2026