Exoplanet

HD 222582 b

Orbiting HD 222582

Overview

HD 222582 b is an exoplanet orbiting the star HD 222582, discovered in 1999 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

2660.24

Earth masses

0500 M⊕

Orbital Period

572.4

days

0.1d10,000d

Distance

42.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

2660.24

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

572.380+0.610−0.610days

Semi-Major Axis

1.3400+0.0200−0.0200au

M sin(i) (Earth masses)

2660.24+127.13−127.13

M sin(i) (Jupiter masses)

8.3700+0.4000−0.4000

Eccentricity

0.7300+0.0100−0.0100

Radial Velocity Semi-Amplitude

276.30+7.00−7.00m/s

Distance from Earth

42.2 pc (~138 ly)

Spectral Type

Unknown

Temperature

5790 K

Mass (Solar)

1.12 M☉

Radius (Solar)

1.13 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

355.4641°, -5.9862°

Discovery Method

Radial Velocity

Discovery Year

1999

Data Sources
NASA Exoplanet Archive

Source ID: HD 222582 b

System Context

HD 222582 b orbits HD 222582 and was reported in 1999 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 2,660.24 Earth masses (M sin i) and an orbital period of 572.38 days.

Catalog data places the system at about 42.2 parsecs from Earth 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 HD 222582
HD 222582 b