Finding Earth 2.0
LHS 1678 · M2.0 V

LHS 1678 b

Rank #2056 of the ranked catalogue · Discovered by Transit in 2021

HZ 0%upper limit

0.096

Earth-2.0 index

0.337

Earth Similarity Index

0%

Habitable-zone probability

0.69 R⊕

Radius

Planet

Mass0.350 M⊕upper limit
Bulk density6.000 g/cm³
Orbital period0.8602 days
Semi-major axis0.01239 au
Eccentricity0.033
Incident flux94.300 S⊕
Equilibrium temperature792.1 K
Transit-time σ at 20307.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.62 masReflected-light contrast 5.31e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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

HostLHS 1678
Spectral typeM2.0 V
Effective temperature3490 K
Radius0.329 R☉
Mass0.345 M☉
Distance19.9 pc / 64.8 ly
DiscoveryTransit, 2021