Exoplanet

HD 159868 b

Orbiting HD 159868

Overview

HD 159868 b is an exoplanet orbiting the star HD 159868, discovered in 2006 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

704.95

Earth masses

0500 M⊕

Orbital Period

1184.1

days

0.1d10,000d

Distance

55.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

704.95

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Luhn et al. 2019

Orbital Period

1184.100+7.1007.100days

Semi-Major Axis

2.3200+0.14000.1400au

M sin(i) (Earth masses)

704.95+18.7518.75

M sin(i) (Jupiter masses)

2.2180+0.05900.0590

Eccentricity

0.0240+0.01900.0190

Epoch of Periastron

2453670.00+190.00190.00days(JD)

Argument of Periastron

63.0+76.076.0deg

Radial Velocity Semi-Amplitude

37.92+0.970.97m/s

Distance from Earth

55.9 pc (~182 ly)

Spectral Type

Unknown

Temperature

5534 K

Mass (Solar)

1.19 M☉

Radius (Solar)

2.13 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

264.7467°, -43.1462°

Discovery Method

Radial Velocity

Discovery Year

2006

Data Sources

Source ID: HD 159868 b

System Context

HD 159868 b orbits HD 159868 and was reported in 2006 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 704.95 Earth masses (M sin i) and an orbital period of 1,184.1 days.

Catalog data places the system at about 55.9 parsecs from Earth and 2 known planets in the system.

Host star

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

Open HD 159868

More planets in this system

HD 159868 b