Exoplanet

HD 133131 B b

Orbiting HD 133131 B

Overview

HD 133131 B b is an exoplanet orbiting the star HD 133131 B, discovered in 2016 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

794.58

Earth masses

0500 M⊕

Orbital Period

5769.0

days

0.1d10,000d

Distance

51.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

794.58

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teske et al. 2016

Orbital Period

5769.000+831.000831.000days

Semi-Major Axis

6.1500+0.59000.5900au

M sin(i) (Earth masses)

794.58+15.8915.89

M sin(i) (Jupiter masses)

2.5000+0.05000.0500

Eccentricity

0.6100+0.04000.0400

Epoch of Periastron

2450644.00+828.00828.00days(JD)

Argument of Periastron

103.0+3.03.0deg

Radial Velocity Semi-Amplitude

37.41+0.650.65m/s

Distance from Earth

51.3 pc (~167 ly)

Spectral Type

G2 V

Temperature

5805 K

Mass (Solar)

0.93 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

3

Stars in System

2

Coordinates (RA, Dec)

225.9000°, -27.8416°

Discovery Method

Radial Velocity

Discovery Year

2016

Data Sources

Source ID: HD 133131 B b

System Context

HD 133131 B b orbits HD 133131 B and was reported in 2016 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 794.58 Earth masses (M sin i) and an orbital period of 5,769 days.

Catalog data places the system at about 51.3 parsecs from Earth, a host star classified as G2 V, and 3 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 133131 B
HD 133131 B b