Exoplanet

GJ 674 b

Orbiting GJ 674

Overview

GJ 674 b is an exoplanet orbiting the star GJ 674, discovered in 2007 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

11.09

Earth masses

0500 M⊕

Orbital Period

4.7

days

0.1d10,000d

Distance

4.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

11.09

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Bonfils et al. 2007

Orbital Period

4.694+0.0070.007days

Semi-Major Axis

0.0390au

M sin(i) (Earth masses)

11.09

M sin(i) (Jupiter masses)

0.0350

Eccentricity

0.2000+0.02000.0200

Epoch of Periastron

2453780.08+0.080.08days

Argument of Periastron

143.0+6.06.0deg

Radial Velocity Semi-Amplitude

8.70+0.190.19m/s

Distance from Earth

4.5 pc (~15 ly)

Spectral Type

M2.5

Temperature

3600 K

Mass (Solar)

0.35 M☉

Radius (Solar)

Unknown

Luminosity

-1.80 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

262.1700°, -46.8990°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources

Source ID: GJ 674 b

System Context

GJ 674 b orbits GJ 674 and was reported in 2007 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 11.09 Earth masses (M sin i) and an orbital period of 4.69 days.

Catalog data places the system at about 4.5 parsecs from Earth, a host star classified as M2.5, 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 674