Exoplanet

HD 103949 b

Orbiting HD 103949

Overview

HD 103949 b is an exoplanet orbiting the star HD 103949, discovered in 2019 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

11.20

Earth masses

0500 M⊕

Orbital Period

120.9

days

0.1d10,000d

Distance

26.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

11.20

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2019

Orbital Period

120.878+0.4460.446days

Semi-Major Axis

0.4390+0.00900.0090au

M sin(i) (Earth masses)

11.20+2.302.30

M sin(i) (Jupiter masses)

0.0352+0.00720.0072

Eccentricity

0.1900+0.12000.1200

Argument of Periastron

127.7+68.368.3deg

Radial Velocity Semi-Amplitude

1.77+0.350.35m/s

Distance from Earth

26.5 pc (~86 ly)

Spectral Type

K3 V

Temperature

4792 K

Mass (Solar)

0.77 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

179.5480°, -23.9241°

Discovery Method

Radial Velocity

Discovery Year

2019

Data Sources

Source ID: HD 103949 b

System Context

HD 103949 b orbits HD 103949 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 11.2 Earth masses (M sin i) and an orbital period of 120.88 days.

Catalog data places the system at about 26.5 parsecs from Earth, a host star classified as K3 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 103949