Finding Earth 2.0
TIC 434398831 · G4 V

TIC 434398831 b

Rank #4471 of the ranked catalogue · Discovered by Transit in 2025

HZ 0%inferred

0.074

Earth-2.0 index

0.173

Earth Similarity Index

0%

Habitable-zone probability

3.51 R⊕

Radius

Planet

Mass12.100 M⊕inferred
Bulk density1.540 g/cm³
Orbital period3.6855 days
Semi-major axis0.04641 au
Eccentricity0.040
Incident flux333.631 S⊕
Equilibrium temperature1086.4 K
Transit-time σ at 203019.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.21 masReflected-light contrast 9.93e-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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostTIC 434398831
Spectral typeG4 V
Effective temperature5638 K
Radius0.909 R☉
Mass0.992 M☉
Distance217.0 pc / 707.8 ly
DiscoveryTransit, 2025