Finding Earth 2.0
LHS 3844 · M4.5-M5.0

LHS 3844 b

Rank #646 of the ranked catalogue · Discovered by Transit in 2019

HZ 0%measured

0.111

Earth-2.0 index

0.364

Earth Similarity Index

0%

Habitable-zone probability

1.29 R⊕

Radius

Planet

Mass2.370 M⊕measured
Bulk density6.150 g/cm³
Orbital period0.4629 days
Semi-major axis0.00624 au
Eccentricity0.000
Incident flux73.670 S⊕
Equilibrium temperature744.7 K
Transit-time σ at 20300.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.42 masReflected-light contrast 7.37e-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

HostLHS 3844
Spectral typeM4.5-M5.0
Effective temperature3080 K
Radius0.189 R☉
Mass0.151 M☉
Distance14.9 pc / 48.5 ly
DiscoveryTransit, 2019