Exoplanet

HD 149806 b

Orbiting HD 149806

Overview

HD 149806 b is an exoplanet orbiting the star HD 149806, discovered in 2022 using the Radial Velocity method.

Key Measurements

Mass

4003.68

Earth masses

0500 M⊕

Orbital Period

16521.5

days

0.1d10,000d

Distance

20.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

4003.68

Measured

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

16521.528+6426.2293696.606days

Semi-Major Axis

12.4040+3.10302.0560au

Planet Mass (Earth masses)

4003.68+856.23884.20

Planet Mass (Jupiter masses)

12.5970+2.69402.7820

Eccentricity

0.3570+0.16200.2360

Epoch of Periastron

2444680.20+2590.785471.77days(BJD)

Argument of Periastron

53.0+20.139.7deg

Radial Velocity Semi-Amplitude

26.45+5.435.41m/s

Distance from Earth

20.3 pc (~66 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.93 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

249.2855°, 0.2547°

Discovery Method

Radial Velocity

Discovery Year

2022

Data Sources

Source ID: HD 149806 b

System Context

HD 149806 b orbits HD 149806 and was reported in 2022 and was detected with the Radial Velocity method.

Published measurements list a mass of 4,003.68 Earth masses and an orbital period of 16,521.53 days.

Catalog data places the system at about 20.3 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 149806