Finding Earth 2.0
TOI-1855

TOI-1855 b

Rank #5392 of the ranked catalogue · Discovered by Transit in 2024

HZ 0%measured

0.059

Earth-2.0 index

0.066

Earth Similarity Index

0%

Habitable-zone probability

18.49 R⊕

Radius

Planet

Mass360.100 M⊕measured
Bulk density0.310 g/cm³
Orbital period1.3641 days
Semi-major axis0.02398 au
Eccentricity0.033
Incident flux852.162 S⊕
Equilibrium temperature1373.4 K
Transit-time σ at 20301.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.14 masReflected-light contrast 1.03e-4 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-1855
Spectral typeG
Effective temperature5359 K
Radius1.041 R☉
Mass0.987 M☉
Distance176.8 pc / 576.8 ly
DiscoveryTransit, 2024