Exoplanet

GJ 896 A b

Orbiting GJ 896 A

Overview

GJ 896 A b is an exoplanet orbiting the star GJ 896 A, discovered in 2022 using the Astrometry method.

Key Measurements

Mass

718.29

Earth masses

0500 M⊕

Orbital Period

284.4

days

0.1d10,000d

Distance

6.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

718.29

Measured

Equilibrium Temperature

Unknown

Parameter source: Curiel et al. 2022

Orbital Period

284.390+1.470−1.470days

Semi-Major Axis

0.6397+0.0007−0.0007au

Planet Mass (Earth masses)

718.29+181.16−181.16

Planet Mass (Jupiter masses)

2.2600+0.5700−0.5700

Eccentricity

0.3500+0.1900−0.1900

Epoch of Periastron

2455702.65+17.26−17.26days(JD)

Argument of Periastron

353.1+111.8−11.8deg

Distance from Earth

6.3 pc (~20 ly)

Spectral Type

M3.5 V

Temperature

Unknown

Mass (Solar)

0.44 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

352.9700°, 19.9370°

Discovery Method

Astrometry

Discovery Year

2022

Data Sources
NASA Exoplanet Archive

Source ID: GJ 896 A b

System Context

GJ 896 A b orbits GJ 896 A and was reported in 2022 and was detected with the Astrometry method.

Published measurements list a mass of 718.29 Earth masses and an orbital period of 284.39 days.

Catalog data places the system at about 6.3 parsecs from Earth, a host star classified as M3.5 V, 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 896 A