LHS 3844 b

A confirmed exoplanet orbiting LHS 3844.

Compared with Earth

Size
About 1.3 times Earth's width.
Mass
About 2.4 times Earth's mass.
Temperature
About 543 °C (1,009 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 74 times the starlight Earth gets from the Sun.
Year
A year here lasts about 11 hours.

Planet

Radius
1.286 × Earth
Mass
2.37 × Earth
Density
6.15 g/cm³
Equilibrium temperature
816 K
Starlight received
73.67 × Earth
Orbital period
0.4629 days
Average distance from its star
0.00624 AU

Star

Host star
LHS 3844
Spectral class
M — red dwarf
Surface temperature
3,080 K
Radius
0.189 × Sun
Mass
0.151 × Sun
Age
7.8 billion years

System

Distance from Earth
48.55 light-years (14.88 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2019
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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