GJ 887 c

A confirmed exoplanet orbiting GJ 887.

Compared with Earth

Mass
About 6.5 times Earth's mass.
Temperature
About 47 °C (116 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 2.5 times the starlight Earth gets from the Sun.
Year
A year here lasts about 22 Earth days.

Planet

Radius
Unknown
Mass
6.5 × Earth
Density
Unknown
Equilibrium temperature
320 K
Starlight received
2.5 × Earth
Orbital period
21.78 days
Average distance from its star
0.121 AU

Star

Host star
GJ 887
Spectral class
M — red dwarf
Surface temperature
3,688 K
Radius
0.468 × Sun
Mass
0.495 × Sun
Age
2.9 billion years

System

Distance from Earth
10.72 light-years (3.287 parsecs)
Stars in system
1
Known planets
4

Discovery

Year
2020
Method
Radial Velocity
Facility
La Silla Observatory

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