Finding Earth 2.0
TOI-778 · F3 V

TOI-778 b

Rank #5024 of the ranked catalogue · Discovered by Transit in 2023

HZ 0%measured

0.067

Earth-2.0 index

0.092

Earth Similarity Index

0%

Habitable-zone probability

15.40 R⊕

Radius

Planet

Mass878.000 M⊕measured
Bulk density1.300 g/cm³
Orbital period4.6336 days
Semi-major axis0.06000 au
Eccentricity0.210
Incident flux734.672 S⊕
Equilibrium temperature1323.4 K
Transit-time σ at 20301.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.37 masReflected-light contrast 1.14e-5 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-778
Spectral typeF3 V
Effective temperature6643 K
Radius1.710 R☉
Mass1.400 M☉
Distance161.7 pc / 527.5 ly
DiscoveryTransit, 2023