Exoplanet

HD 156411 b

Orbiting HD 156411

Overview

HD 156411 b is an exoplanet orbiting the star HD 156411, discovered in 2009 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

235.18

Earth masses

0500 M⊕

Orbital Period

842.2

days

0.1d10,000d

Distance

56.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

235.18

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Naef et al. 2010

Orbital Period

842.200+14.50014.500days

Semi-Major Axis

1.8800+0.03000.0400au

M sin(i) (Earth masses)

235.18+15.8912.71

M sin(i) (Jupiter masses)

0.7400+0.05000.0400

Eccentricity

0.2200+0.08000.0800

Epoch of Periastron

2454356.00+46.0033.00days

Argument of Periastron

45.0+22.014.0deg

Radial Velocity Semi-Amplitude

14.00+0.800.80m/s

Distance from Earth

56.9 pc (~185 ly)

Spectral Type

F8 IV/V

Temperature

5900 K

Mass (Solar)

1.25 M☉

Radius (Solar)

2.16 R☉

Luminosity

0.73 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

259.9640°, -48.5502°

Discovery Method

Radial Velocity

Discovery Year

2009

Data Sources

Source ID: HD 156411 b

System Context

HD 156411 b orbits HD 156411 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 235.18 Earth masses (M sin i) and an orbital period of 842.2 days.

Catalog data places the system at about 56.9 parsecs from Earth, a host star classified as F8 IV/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 156411