Exoplanet

LHS 1678 d

Orbiting LHS 1678

Overview

LHS 1678 d is an exoplanet orbiting the star LHS 1678, discovered in 2024 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

0.98

Earth radii

015 R⊕

Mass (est.)

0.91

Earth masses

0500 M⊕

Orbital Period

5.0

days

0.1d10,000d

Distance

19.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

0.98

Mass (Earth masses)

0.91

Estimated

Equilibrium Temperature

Unknown

Orbital Period

4.97 days

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

2024

Data Sources

Source ID: LHS 1678 d

System Context

LHS 1678 d orbits LHS 1678 and was reported in 2024 and was detected with the Transit method.

Published measurements list a radius of 0.98 Earth radii, a mass of 0.91 Earth masses (estimated), and an orbital period of 4.97 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