Exoplanet

GJ 180 b

Orbiting GJ 180

Overview

GJ 180 b is an exoplanet orbiting the star GJ 180, discovered in 2014 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

6.49

Earth masses

0500 M⊕

Orbital Period

17.1

days

0.1d10,000d

Distance

11.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

6.49

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2020

Orbital Period

17.133+0.0030.003days

Semi-Major Axis

0.0920+0.00300.0030au

M sin(i) (Earth masses)

6.49+0.680.68

M sin(i) (Jupiter masses)

0.0204+0.00210.0021

Eccentricity

0.0700+0.04000.0400

Argument of Periastron

276.0+26.026.0deg

Radial Velocity Semi-Amplitude

3.25+0.260.26m/s

Distance from Earth

11.9 pc (~39 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.43 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

73.4601°, -17.7762°

Discovery Method

Radial Velocity

Discovery Year

2014

Data Sources

Source ID: GJ 180 b

System Context

GJ 180 b orbits GJ 180 and was reported in 2014 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 6.49 Earth masses (M sin i) and an orbital period of 17.13 days.

Catalog data places the system at about 11.9 parsecs from Earth 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 180

More planets in this system

GJ 180 b