Exoplanet

LHS 3154 b

Orbiting LHS 3154

Overview

LHS 3154 b is an exoplanet orbiting the star LHS 3154, discovered in 2023 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

13.15

Earth masses

0500 M⊕

Orbital Period

3.7

days

0.1d10,000d

Distance

15.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

13.15

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stefánsson et al. 2023

Orbital Period

3.718+0.0010.001days

Semi-Major Axis

0.0226+0.00020.0002au

M sin(i) (Earth masses)

13.15+0.840.82

M sin(i) (Jupiter masses)

0.0414+0.00260.0026

Eccentricity

0.0760+0.05700.0470

Epoch of Periastron

2458874.02+0.670.57days(BJD-TDB)

Argument of Periastron

82.0+102.047.0deg

Radial Velocity Semi-Amplitude

23.40+1.501.40m/s

Distance from Earth

15.8 pc (~51 ly)

Spectral Type

M6.5

Temperature

2861 K

Mass (Solar)

0.11 M☉

Radius (Solar)

0.14 R☉

Luminosity

-2.72 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

241.6367°, 40.9068°

Discovery Method

Radial Velocity

Discovery Year

2023

Data Sources

Source ID: LHS 3154 b

System Context

LHS 3154 b orbits LHS 3154 and was reported in 2023 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 13.15 Earth masses (M sin i) and an orbital period of 3.72 days.

Catalog data places the system at about 15.8 parsecs from Earth, a host star classified as M6.5, and 1 known planet in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open LHS 3154