GJ 1252 b

A confirmed exoplanet orbiting GJ 1252.

Compared with Earth

Size
About 1.2 times Earth's width.
Mass
About 1.3 times Earth's mass.
Year
A year here lasts about 12 hours.

Planet

Radius
1.193 × Earth
Mass
1.32 × Earth
Density
4.2 g/cm³
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
0.5182 days
Average distance from its star
Unknown

Star

Host star
GJ 1252
Spectral class
M — red dwarf
Surface temperature
3,458 K
Radius
0.391 × Sun
Mass
0.381 × Sun
Age
Unknown

System

Distance from Earth
66.45 light-years (20.37 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2020
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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