Exoplanet

GJ 1061 b

Orbiting GJ 1061

Overview

GJ 1061 b is an exoplanet orbiting the star GJ 1061, discovered in 2020 using the Radial Velocity method.

Key Measurements

Mass

1.11

Earth masses

0500 M⊕

Orbital Period

3.2

days

0.1d10,000d

Distance

3.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

1.11

Measured

Equilibrium Temperature

Unknown

Parameter source: Dreizler et al. 2025

Orbital Period

3.207+0.0000.000days

Semi-Major Axis

0.0210+0.00060.0006au

Planet Mass (Earth masses)

1.11+0.110.09

Planet Mass (Jupiter masses)

0.0035+0.00030.0003

Eccentricity

0.0500+0.50000.0300

Radial Velocity Semi-Amplitude

1.83+0.180.17m/s

Distance from Earth

3.7 pc (~12 ly)

Spectral Type

M5.5 V

Temperature

2953 K

Mass (Solar)

0.12 M☉

Radius (Solar)

0.16 R☉

Luminosity

-2.77 log L☉

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

54.0032°, -44.5143°

Discovery Method

Radial Velocity

Discovery Year

2020

Data Sources

Source ID: GJ 1061 b

System Context

GJ 1061 b orbits GJ 1061 and was reported in 2020 and was detected with the Radial Velocity method.

Published measurements list a mass of 1.11 Earth masses and an orbital period of 3.21 days.

Catalog data places the system at about 3.7 parsecs from Earth, a host star classified as M5.5 V, and 3 known planets in the system.

Host star

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

Open GJ 1061

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