Finding Earth 2.0
TOI-270 · M3 V

TOI-270 b

Rank #1197 of the ranked catalogue · Discovered by Transit in 2019

HZ 0%measured

0.104

Earth-2.0 index

0.309

Earth Similarity Index

0%

Habitable-zone probability

1.28 R⊕

Radius

Planet

Mass1.480 M⊕measured
Bulk density3.890 g/cm³
Orbital period3.3599 days
Semi-major axis0.03197 au
Eccentricity0.017
Incident flux131.793 S⊕
Equilibrium temperature861.3 K
Transit-time σ at 203086.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.42 masReflected-light contrast 2.78e-7 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 coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-270
Spectral typeM3 V
Effective temperature3506 K
Radius0.380 R☉
Mass0.386 M☉
Distance22.5 pc / 73.3 ly
DiscoveryTransit, 2019