Exoplanet

HD 221420 b

Orbiting HD 221420

Overview

HD 221420 b is an exoplanet orbiting the star HD 221420, discovered in 2019 using the Radial Velocity method.

Key Measurements

Mass

7278.27

Earth masses

0500 M⊕

Orbital Period

10090.0

days

0.1d10,000d

Distance

31.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

7278.27

Measured

Equilibrium Temperature

Unknown

Orbital Period

10090.00 days

Distance from Earth

31.1 pc (~102 ly)

Spectral Type

G2 IV-V

Temperature

5847 K

Mass (Solar)

1.35 M☉

Radius (Solar)

1.95 R☉

Luminosity

0.60 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

353.3319°, -77.3853°

Discovery Method

Radial Velocity

Discovery Year

2019

Data Sources

Source ID: HD 221420 b

System Context

HD 221420 b orbits HD 221420 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a mass of 7,278.27 Earth masses and an orbital period of 10,090 days.

Catalog data places the system at about 31.1 parsecs from Earth, a host star classified as G2 IV-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 HD 221420