Exoplanet

HD 22781 b

Orbiting HD 22781

Overview

HD 22781 b is an exoplanet orbiting the star HD 22781, discovered in 2011 using the Radial Velocity method.

Key Measurements

Orbital Period

528.1

days

0.1d10,000d

Distance

32.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

Unknown

Equilibrium Temperature

Unknown

Orbital Period

528.07 days

Distance from Earth

32.6 pc (~106 ly)

Spectral Type

K1

Temperature

5027 K

Mass (Solar)

0.75 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

55.2066°, 31.8259°

Discovery Method

Radial Velocity

Discovery Year

2011

Data Sources

Source ID: HD 22781 b

System Context

HD 22781 b orbits HD 22781 and was reported in 2011 and was detected with the Radial Velocity method.

Published measurements list an orbital period of 528.07 days.

Catalog data places the system at about 32.6 parsecs from Earth, a host star classified as K1, 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 22781