Exoplanet

HD 144899 b

Orbiting HD 144899

Overview

HD 144899 b is an exoplanet orbiting the star HD 144899, discovered in 2022 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

20.34

Earth masses

0500 M⊕

Orbital Period

40.4

days

0.1d10,000d

Distance

115.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

20.34

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

40.439+0.0310.050days

Semi-Major Axis

0.2420+0.01100.0120au

M sin(i) (Earth masses)

20.34+6.675.09

M sin(i) (Jupiter masses)

0.0640+0.02100.0160

Eccentricity

0.8210+0.07800.1710

Epoch of Periastron

2453156.30+3.222.64days(BJD)

Argument of Periastron

113.6+1.41.6deg

Radial Velocity Semi-Amplitude

6.01+0.070.07m/s

Distance from Earth

115.7 pc (~377 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.16 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

242.5721°, -47.9147°

Discovery Method

Radial Velocity

Discovery Year

2022

Data Sources

Source ID: HD 144899 b

System Context

HD 144899 b orbits HD 144899 and was reported in 2022 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 20.34 Earth masses (M sin i) and an orbital period of 40.44 days.

Catalog data places the system at about 115.7 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 144899