LHS 1678 b

A confirmed exoplanet orbiting LHS 1678.

Compared with Earth

Size
About 69% of Earth's width.
Starlight
About 94 times the starlight Earth gets from the Sun.
Year
A year here lasts about 21 hours.

Planet

Radius
0.685 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
94.3 × Earth
Orbital period
0.8602 days
Average distance from its star
0.01239 AU

Star

Host star
LHS 1678
Spectral class
M — red dwarf
Surface temperature
3,490 K
Radius
0.329 × Sun
Mass
0.345 × Sun
Age
7 billion years

System

Distance from Earth
64.83 light-years (19.88 parsecs)
Stars in system
2
Known planets
3

Discovery

Year
2021
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

Data from the NASA Exoplanet Archive, synced October 14, 2026.