LHS 1903 · M
LHS 1903 e
Rank #69 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%measured
0.141
Earth-2.0 index
0.765
Earth Similarity Index
0%
Habitable-zone probability
1.73 R⊕
Radius
Planet
Mass5.790 M⊕measured
Bulk density6.100 g/cm³
Orbital period29.3177 days
Semi-major axis0.15135 au
Eccentricity0.014
Incident flux2.050 S⊕
Equilibrium temperature304.2 K
Transit-time σ at 203051.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation4.24 masReflected-light contrast 2.27e-8 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 1903
Spectral typeM
Effective temperature3664 K
Radius0.539 R☉
Mass0.538 M☉
Distance35.7 pc / 116.4 ly
DiscoveryTransit, 2026