Exoplanet

HD 103720 b

Orbiting HD 103720

Overview

HD 103720 b is an exoplanet orbiting the star HD 103720, discovered in 2014 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

197.05

Earth masses

0500 M⊕

Orbital Period

4.6

days

0.1d10,000d

Distance

45.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

197.05

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Moutou et al. 2015

Orbital Period

4.556+0.0000.000days

Semi-Major Axis

0.0498+0.00080.0008au

M sin(i) (Earth masses)

197.05+7.957.95

M sin(i) (Jupiter masses)

0.6200+0.02500.0250

Eccentricity

0.0860+0.02400.0240

Epoch of Periastron

2455387.46+0.040.04days

Argument of Periastron

262.0+15.015.0deg

Radial Velocity Semi-Amplitude

89.00+2.002.00m/s

Distance from Earth

45.5 pc (~149 ly)

Spectral Type

K3 V

Temperature

5017 K

Mass (Solar)

0.79 M☉

Radius (Solar)

0.73 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

179.1713°, -2.7791°

Discovery Method

Radial Velocity

Discovery Year

2014

Data Sources

Source ID: HD 103720 b

System Context

HD 103720 b orbits HD 103720 and was reported in 2014 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 197.05 Earth masses (M sin i) and an orbital period of 4.56 days.

Catalog data places the system at about 45.5 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 103720