GJ 3138

GJ 3138 is an M0 star 92.9 light years away with 3 known planets. They were all found in 2017.

Open in 3D

Planets

PlanetOrbital periodDistance from starRadius (Earths)Mass (Earths)FoundMethod
GJ 3138 b1.22 days0.0197 AUat least 1.782017Radial Velocity
GJ 3138 c5.974 days0.057 AUat least 4.182017Radial Velocity
GJ 3138 d257.8 days0.698 AUat least 10.52017Radial Velocity

"At least" is a minimum mass. Radial velocity can only measure mass times the sine of the orbit's tilt.

Star

Data from the NASA Exoplanet Archive, as of October 3, 2026. In the 3D view sizes and distances are compressed and every orbit is drawn in the same plane. Where each planet sits along its orbit is made up.