LHS 1903 · M
LHS 1903 d
Rank #180 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%measured
0.125
Earth-2.0 index
0.526
Earth Similarity Index
0%
Habitable-zone probability
2.50 R⊕
Radius
Planet
Mass5.960 M⊕measured
Bulk density2.090 g/cm³
Orbital period12.5663 days
Semi-major axis0.08604 au
Eccentricity0.112
Incident flux6.350 S⊕
Equilibrium temperature403.5 K
Transit-time σ at 203013.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation2.41 masReflected-light contrast 1.47e-7 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