GJ 1002 c

A confirmed exoplanet orbiting GJ 1002.

Compared with Earth

Mass
About 1.4 times Earth's mass.
Temperature
About -91 °C (-133 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 26% of the starlight Earth gets from the Sun.
Year
A year here lasts about 21 Earth days.

Planet

Radius
Unknown
Mass
1.36 × Earth
Density
Unknown
Equilibrium temperature
181.7 K
Starlight received
0.257 × Earth
Orbital period
21.2 days
Average distance from its star
0.0738 AU

Star

Host star
GJ 1002
Spectral class
M — red dwarf
Surface temperature
3,024 K
Radius
0.137 × Sun
Mass
0.12 × Sun
Age
Unknown

System

Distance from Earth
15.81 light-years (4.849 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2022
Method
Radial Velocity
Facility
Multiple Observatories

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