LP 890-9 b

A confirmed exoplanet orbiting LP 890-9.

Compared with Earth

Size
About 1.3 times Earth's width.
Mass
About 13 times Earth's mass.
Temperature
About 123 °C (253 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 4.1 times the starlight Earth gets from the Sun.
Year
A year here lasts about 2.7 Earth days.

Planet

Radius
1.32 × Earth
Mass
13.2 × Earth
Density
Unknown
Equilibrium temperature
396 K
Starlight received
4.09 × Earth
Orbital period
2.73 days
Average distance from its star
0.01875 AU

Star

Host star
LP 890-9
Spectral class
M — red dwarf
Surface temperature
2,850 K
Radius
0.1556 × Sun
Mass
0.118 × Sun
Age
7.2 billion years

System

Distance from Earth
105.8 light-years (32.43 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2022
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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