Exoplanet

HD 148156 b

Orbiting HD 148156

Overview

HD 148156 b is an exoplanet orbiting the star HD 148156, discovered in 2009 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

270.14

Earth masses

0500 M⊕

Orbital Period

1027.0

days

0.1d10,000d

Distance

57.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

270.14

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Naef et al. 2010

Orbital Period

1027.000+28.00028.000days

Semi-Major Axis

2.4500+0.04000.0500au

M sin(i) (Earth masses)

270.14+212.9415.89

M sin(i) (Jupiter masses)

0.8500+0.67000.0500

Eccentricity

0.5200+0.04000.0900

Epoch of Periastron

2454707.00+20.0020.00days

Argument of Periastron

35.0+17.012.0deg

Radial Velocity Semi-Amplitude

17.50+1.500.50m/s

Distance from Earth

57.1 pc (~186 ly)

Spectral Type

Unknown

Temperature

6308 K

Mass (Solar)

1.22 M☉

Radius (Solar)

1.21 R☉

Luminosity

0.25 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

247.0723°, -46.3175°

Discovery Method

Radial Velocity

Discovery Year

2009

Data Sources

Source ID: HD 148156 b

System Context

HD 148156 b orbits HD 148156 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 270.14 Earth masses (M sin i) and an orbital period of 1,027 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 148156