LHS 1903 e
Orbiting LHS 1903
LHS 1903 e is an exoplanet orbiting the star LHS 1903, discovered in 2026 using the Transit method. It is a Super-Earth world.
Radius
1.73
Earth radii
Mass
5.79
Earth masses
Orbital Period
29.3
days
Distance
35.7
parsecs
Equilibrium Temp
333
K
Radius (Earth radii)
1.73
Mass (Earth masses)
5.79
Measured
Equilibrium Temperature
333 K
Parameter source: Wilson et al. 2026
Orbital Period
29.318+0.000−0.000days
Semi-Major Axis
0.1514+0.0031−0.0034au
Planet Mass (Earth masses)
5.79+1.60−1.61
Planet Mass (Jupiter masses)
0.0182+0.0050−0.0051
Eccentricity
0.0140+0.0150−0.0100
Argument of Periastron
263.0+63.0−76.0deg
Radial Velocity Semi-Amplitude
1.82+0.50−0.50m/s
Distance from Earth
35.7 pc (~116 ly)
Spectral Type
M
Temperature
3664 K
Mass (Solar)
0.54 M☉
Radius (Solar)
0.54 R☉
Luminosity
Unknown
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
107.8658°, 48.3279°
Discovery Method
Transit
Discovery Year
2026
Source ID: LHS 1903 e
LHS 1903 e orbits LHS 1903 and was reported in 2026 and was detected with the Transit method.
Published measurements list a radius of 1.73 Earth radii, a mass of 5.79 Earth masses, an orbital period of 29.32 days, and an equilibrium temperature near 333 K.
Catalog data places the system at about 35.7 parsecs from Earth, a host star classified as M, and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open LHS 1903More planets in this system