Exoplanet

GJ 1289 b

Orbiting GJ 1289

Overview

GJ 1289 b is an exoplanet orbiting the star GJ 1289, discovered in 2024 using the Radial Velocity method.

Key Measurements

Orbital Period

111.7

days

0.1d10,000d

Distance

8.4

parsecs

Nearby10,000 pc

Equilibrium Temp

150

K

150 K3,500 K

Radius (Earth radii)

Unknown

Mass (Earth masses)

Unknown

Equilibrium Temperature

150 K

Orbital Period

111.74 days

Distance from Earth

8.4 pc (~27 ly)

Spectral Type

M4.5 Ve

Temperature

3296 K

Mass (Solar)

0.21 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

355.7813°, 36.5363°

Discovery Method

Radial Velocity

Discovery Year

2024

Data Sources

Source ID: GJ 1289 b

System Context

GJ 1289 b orbits GJ 1289 and was reported in 2024 and was detected with the Radial Velocity method.

Published measurements list an orbital period of 111.74 days and an equilibrium temperature near 150 K.

Catalog data places the system at about 8.4 parsecs from Earth, a host star classified as M4.5 Ve, and 1 known planet in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open GJ 1289