Exoplanet

GJ 876 c

Orbiting GJ 876

Overview

GJ 876 c is an exoplanet orbiting the star GJ 876, discovered in 2000 using the Radial Velocity method.

Key Measurements

Mass

226.98

Earth masses

0500 M⊕

Orbital Period

30.1

days

0.1d10,000d

Distance

4.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

226.98

Measured

Equilibrium Temperature

Unknown

Parameter source: Rivera et al. 2010

Orbital Period

30.088+0.0080.008days

Semi-Major Axis

0.1296+0.00000.0000au

Planet Mass (Earth masses)

226.98+1.241.24

Planet Mass (Jupiter masses)

0.7142+0.00390.0039

Eccentricity

0.2559+0.00090.0009

Epoch of Periastron

2450602.09days

Argument of Periastron

48.8+0.70.7deg

Radial Velocity Semi-Amplitude

88.34+0.470.47m/s

Distance from Earth

4.7 pc (~15 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.32 M☉

Radius (Solar)

0.30 R☉

Luminosity

-1.91 log L☉

Planets in System

4

Stars in System

1

Coordinates (RA, Dec)

343.3240°, -14.2666°

Discovery Method

Radial Velocity

Discovery Year

2000

Data Sources

Source ID: GJ 876 c

System Context

GJ 876 c orbits GJ 876 and was reported in 2000 and was detected with the Radial Velocity method.

Published measurements list a mass of 226.98 Earth masses and an orbital period of 30.09 days.

Catalog data places the system at about 4.7 parsecs from Earth and 4 known planets in the system.

Host star

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

Open GJ 876

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