Exoplanet

GJ 685 b

Orbiting GJ 685

Overview

GJ 685 b is an exoplanet orbiting the star GJ 685, discovered in 2019 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

9.00

Earth masses

0500 M⊕

Orbital Period

24.2

days

0.1d10,000d

Distance

14.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

9.00

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Pinamonti et al. 2019

Orbital Period

24.160+0.0610.047days

Semi-Major Axis

0.1344+0.00520.0051au

M sin(i) (Earth masses)

9.00+1.701.80

M sin(i) (Jupiter masses)

0.0283+0.00530.0057

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

3.00+0.530.52m/s

Distance from Earth

14.3 pc (~47 ly)

Spectral Type

M0.5

Temperature

3816 K

Mass (Solar)

0.55 M☉

Radius (Solar)

0.54 R☉

Luminosity

-1.25 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

263.8960°, 61.6793°

Discovery Method

Radial Velocity

Discovery Year

2019

Data Sources

Source ID: GJ 685 b

System Context

GJ 685 b orbits GJ 685 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 9 Earth masses (M sin i) and an orbital period of 24.16 days.

Catalog data places the system at about 14.3 parsecs from Earth, a host star classified as M0.5, 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 685