Exoplanet

LHS 1678 c

Orbiting LHS 1678

Overview

LHS 1678 c is an exoplanet orbiting the star LHS 1678, discovered in 2021 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

0.94

Earth radii

015 R⊕

Mass (est.)

0.78

Earth masses

0500 M⊕

Orbital Period

3.7

days

0.1d10,000d

Distance

19.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

0.94

Mass (Earth masses)

0.78

Estimated

Equilibrium Temperature

Unknown

Parameter source: Silverstein et al. 2024

Orbital Period

3.694+0.0000.000days

Semi-Major Axis

0.0327+0.00150.0015au

Eccentricity

0.0390+0.04000.0250

Argument of Periastron

23.0+109.0143.0deg

Distance from Earth

19.9 pc (~65 ly)

Spectral Type

M2.0 V

Temperature

3490 K

Mass (Solar)

0.34 M☉

Radius (Solar)

0.33 R☉

Luminosity

-1.84 log L☉

Planets in System

3

Stars in System

2

Coordinates (RA, Dec)

68.1790°, -39.7909°

Discovery Method

Transit

Discovery Year

2021

Data Sources

Source ID: LHS 1678 c

System Context

LHS 1678 c orbits LHS 1678 and was reported in 2021 and was detected with the Transit method.

Published measurements list a radius of 0.94 Earth radii, a mass of 0.78 Earth masses (estimated), and an orbital period of 3.69 days.

Catalog data places the system at about 19.9 parsecs from Earth, a host star classified as M2.0 V, and 3 known planets in the system.

Host star

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

Open LHS 1678

More planets in this system