LHS 1903 c
Orbiting LHS 1903
LHS 1903 c is an exoplanet orbiting the star LHS 1903, discovered in 2026 using the Transit method. It is a Super-Earth world.
Radius
2.05
Earth radii
Mass
4.55
Earth masses
Orbital Period
6.2
days
Distance
35.7
parsecs
Equilibrium Temp
559
K
Radius (Earth radii)
2.05
Mass (Earth masses)
4.55
Measured
Equilibrium Temperature
559 K
Parameter source: Wilson et al. 2026
Orbital Period
6.226+0.000−0.000days
Semi-Major Axis
0.0539+0.0011−0.0012au
Planet Mass (Earth masses)
4.55+0.73−0.69
Planet Mass (Jupiter masses)
0.0143+0.0023−0.0022
Eccentricity
0.0890+0.0360−0.0300
Argument of Periastron
288.0+38.0−31.0deg
Radial Velocity Semi-Amplitude
2.40+0.37−0.35m/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 c
LHS 1903 c orbits LHS 1903 and was reported in 2026 and was detected with the Transit method.
Published measurements list a radius of 2.05 Earth radii, a mass of 4.55 Earth masses, an orbital period of 6.23 days, and an equilibrium temperature near 559 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