Exoplanet

HD 159868 c

Orbiting HD 159868

Overview

HD 159868 c is an exoplanet orbiting the star HD 159868, discovered in 2012 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

244.09

Earth masses

0500 M⊕

Orbital Period

351.0

days

0.1d10,000d

Distance

55.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

244.09

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Luhn et al. 2019

Orbital Period

351.000+1.1001.100days

Semi-Major Axis

1.0320+0.06400.0640au

M sin(i) (Earth masses)

244.09+13.9813.98

M sin(i) (Jupiter masses)

0.7680+0.04400.0440

Eccentricity

0.1840+0.03700.0370

Epoch of Periastron

2453225.00+13.0013.00days(JD)

Argument of Periastron

272.0+16.016.0deg

Radial Velocity Semi-Amplitude

20.00+1.101.10m/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

2012

Data Sources

Source ID: HD 159868 c

System Context

HD 159868 c orbits HD 159868 and was reported in 2012 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 244.09 Earth masses (M sin i) and an orbital period of 351 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

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