Exoplanet

GJ 273 c

Orbiting GJ 273

Overview

GJ 273 c is an exoplanet orbiting the star GJ 273, discovered in 2017 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

1.18

Earth masses

0500 M⊕

Orbital Period

4.7

days

0.1d10,000d

Distance

5.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

1.18

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Astudillo-Defru et al. 2017

Orbital Period

4.723+0.0000.000days

Semi-Major Axis

0.0365+0.00000.0000au

M sin(i) (Earth masses)

1.18+0.160.16

M sin(i) (Jupiter masses)

0.0037+0.00050.0005

Eccentricity

0.1700+0.13000.1200

Radial Velocity Semi-Amplitude

1.06+0.150.15m/s

Distance from Earth

5.9 pc (~19 ly)

Spectral Type

M3.5

Temperature

3382 K

Mass (Solar)

0.29 M☉

Radius (Solar)

0.29 R☉

Luminosity

-2.06 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

111.8521°, 5.2258°

Discovery Method

Radial Velocity

Discovery Year

2017

Data Sources

Source ID: GJ 273 c

System Context

GJ 273 c orbits GJ 273 and was reported in 2017 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 1.18 Earth masses (M sin i) and an orbital period of 4.72 days.

Catalog data places the system at about 5.9 parsecs from Earth, a host star classified as M3.5, 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 273

More planets in this system

GJ 273 c