Finding Earth 2.0
TOI-6420

TOI-6420 b

Rank #3495 of the ranked catalogue · Discovered by Transit in 2025

HZ 0%measured

0.084

Earth-2.0 index

0.177

Earth Similarity Index

0%

Habitable-zone probability

11.94 R⊕

Radius

Planet

Mass2606.193 M⊕measured
Bulk density8.400 g/cm³
Orbital period6.9615 days
Semi-major axis0.07530 au
Eccentricity0.078
Incident flux106.619 S⊕
Equilibrium temperature816.8 K
Transit-time σ at 20306.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.12 masReflected-light contrast 4.36e-6 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 coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-6420
Spectral typeF
Effective temperature6020 K
Radius1.312 R☉
Mass1.165 M☉
Distance634.7 pc / 2070.2 ly
DiscoveryTransit, 2025