Exoplanet

GJ 3090 b

Orbiting GJ 3090

Overview

GJ 3090 b is an exoplanet orbiting the star GJ 3090, discovered in 2022 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

2.18

Earth radii

015 R⊕

Mass

4.52

Earth masses

0500 M⊕

Orbital Period

2.9

days

0.1d10,000d

Distance

22.5

parsecs

Nearby10,000 pc

Equilibrium Temp

723

K

150 K3,500 K

Radius (Earth radii)

2.18

Mass (Earth masses)

4.52

Measured

Equilibrium Temperature

723 K

Parameter source: Lamontagne et al. 2026

Orbital Period

2.853+0.0000.000days

Semi-Major Axis

0.0316+0.00030.0003au

Planet Mass (Earth masses)

4.52+0.470.47

Planet Mass (Jupiter masses)

0.0142+0.00150.0015

Eccentricity

<0.25

Argument of Periastron

90.0deg

Radial Velocity Semi-Amplitude

3.15+0.320.32m/s

Distance from Earth

22.5 pc (~73 ly)

Spectral Type

M2 V

Temperature

3707 K

Mass (Solar)

0.52 M☉

Radius (Solar)

0.52 R☉

Luminosity

-1.34 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

20.4384°, -46.7147°

Discovery Method

Transit

Discovery Year

2022

Data Sources

Source ID: GJ 3090 b

System Context

GJ 3090 b orbits GJ 3090 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 2.18 Earth radii, a mass of 4.52 Earth masses, an orbital period of 2.85 days, and an equilibrium temperature near 723 K.

Catalog data places the system at about 22.5 parsecs from Earth, a host star classified as M2 V, and 2 known planets in the system.

Host star

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

Open GJ 3090

More planets in this system

GJ 3090 b