Exoplanet

HD 108863 b

Orbiting HD 108863

Overview

HD 108863 b is an exoplanet orbiting the star HD 108863, discovered in 2011 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

767.24

Earth masses

0500 M⊕

Orbital Period

437.7

days

0.1d10,000d

Distance

164.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

767.24

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Luhn et al. 2019

Orbital Period

437.700+2.800−2.800days

Semi-Major Axis

1.3200+0.1000−0.1000au

M sin(i) (Earth masses)

767.24+24.79−24.79

M sin(i) (Jupiter masses)

2.4140+0.0780−0.0780

Eccentricity

0.0320+0.0270−0.0270

Epoch of Periastron

2455558.00+77.00−77.00days(JD)

Argument of Periastron

191.0+64.0−64.0deg

Radial Velocity Semi-Amplitude

47.40+1.50−1.50m/s

Distance from Earth

164.7 pc (~537 ly)

Spectral Type

Unknown

Temperature

4878 K

Mass (Solar)

1.59 M☉

Radius (Solar)

5.74 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

187.5826°, 21.9481°

Discovery Method

Radial Velocity

Discovery Year

2011

Data Sources
NASA Exoplanet Archive

Source ID: HD 108863 b

System Context

HD 108863 b orbits HD 108863 and was reported in 2011 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 767.24 Earth masses (M sin i) and an orbital period of 437.7 days.

Catalog data places the system at about 164.7 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 108863