Exoplanet

GJ 687 c

Orbiting GJ 687

Overview

GJ 687 c is an exoplanet orbiting the star GJ 687, discovered in 2020 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

16.00

Earth masses

0500 M⊕

Orbital Period

727.6

days

0.1d10,000d

Distance

4.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

16.00

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2020

Orbital Period

727.562+12.19812.198days

Semi-Major Axis

1.1650+0.02300.0230au

M sin(i) (Earth masses)

16.00+4.104.10

M sin(i) (Jupiter masses)

0.0503+0.01290.0129

Eccentricity

0.4000+0.22000.2200

Epoch of Periastron

2450304.10+292.80292.80days(JD)

Argument of Periastron

176.0+63.063.0deg

Radial Velocity Semi-Amplitude

2.44+0.800.80m/s

Distance from Earth

4.5 pc (~15 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.40 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

264.1042°, 68.3337°

Discovery Method

Radial Velocity

Discovery Year

2020

Data Sources

Source ID: GJ 687 c

System Context

GJ 687 c orbits GJ 687 and was reported in 2020 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 16 Earth masses (M sin i) and an orbital period of 727.56 days.

Catalog data places the system at about 4.5 parsecs from Earth 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 687

More planets in this system

GJ 687 c