Finding Earth 2.0
TOI-1259 A

TOI-1259 A b

Rank #4262 of the ranked catalogue · Discovered by Transit in 2021

HZ 0%measured

0.077

Earth-2.0 index

0.133

Earth Similarity Index

0%

Habitable-zone probability

11.60 R⊕

Radius

Planet

Mass141.000 M⊕measured
Bulk density0.490 g/cm³
Orbital period3.4780 days
Semi-major axis0.04080 au
Eccentricity0.000
Incident flux153.139 S⊕
Equilibrium temperature894.2 K
Transit-time σ at 20300.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.34 masReflected-light contrast 1.40e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-1259 A
Spectral typeK
Effective temperature4775 K
Radius0.715 R☉
Mass0.746 M☉
Distance118.1 pc / 385.2 ly
DiscoveryTransit, 2021