Finding Earth 2.0
LTT 3780 · M3.5 V

LTT 3780 b

Rank #955 of the ranked catalogue · Discovered by Transit in 2020

HZ 0%measured

0.107

Earth-2.0 index

0.327

Earth Similarity Index

0%

Habitable-zone probability

1.32 R⊕

Radius

Planet

Mass2.460 M⊕measured
Bulk density5.800 g/cm³
Orbital period0.7684 days
Semi-major axis0.01195 au
Eccentricity0.000
Incident flux111.000 S⊕
Equilibrium temperature825.1 K
Transit-time σ at 20302.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.54 masReflected-light contrast 2.13e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostLTT 3780
Spectral typeM3.5 V
Effective temperature3358 K
Radius0.380 R☉
Mass0.381 M☉
Distance22.0 pc / 71.7 ly
DiscoveryTransit, 2020