Exoplanet

HD 103197 b

Orbiting HD 103197

Overview

HD 103197 b is an exoplanet orbiting the star HD 103197, discovered in 2011 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

28.60

Earth masses

0500 M⊕

Orbital Period

47.8

days

0.1d10,000d

Distance

57.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

28.60

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

47.840+0.0300.030days

Semi-Major Axis

0.2500+0.00000.0000au

M sin(i) (Earth masses)

28.60+6.366.36

M sin(i) (Jupiter masses)

0.0900+0.02000.0200

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

5.90+0.300.30m/s

Distance from Earth

57.1 pc (~186 ly)

Spectral Type

Unknown

Temperature

5250 K

Mass (Solar)

0.80 M☉

Radius (Solar)

0.88 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

178.2202°, -50.2928°

Discovery Method

Radial Velocity

Discovery Year

2011

Data Sources

Source ID: HD 103197 b

System Context

HD 103197 b orbits HD 103197 and was reported in 2011 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 28.6 Earth masses (M sin i) and an orbital period of 47.84 days.

Catalog data places the system at about 57.1 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 103197
HD 103197 b