Exoplanet

HD 222076 b

Orbiting HD 222076

Overview

HD 222076 b is an exoplanet orbiting the star HD 222076, discovered in 2016 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

495.81

Earth masses

0500 M⊕

Orbital Period

871.0

days

0.1d10,000d

Distance

91.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

495.81

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Wittenmyer et al. 2017

Orbital Period

871.000+19.00019.000days

Semi-Major Axis

1.8300+0.03000.0300au

M sin(i) (Earth masses)

495.81+34.9634.96

M sin(i) (Jupiter masses)

1.5600+0.11000.1100

Eccentricity

0.0800+0.05000.0500

Epoch of Periastron

2454264.00+189.00189.00days(BJD)

Argument of Periastron

241.0+60.060.0deg

Radial Velocity Semi-Amplitude

31.90+2.302.30m/s

Distance from Earth

91.2 pc (~297 ly)

Spectral Type

K0 III

Temperature

4806 K

Mass (Solar)

1.07 M☉

Radius (Solar)

4.10 R☉

Luminosity

0.93 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

354.5320°, -70.9032°

Discovery Method

Radial Velocity

Discovery Year

2016

Data Sources

Source ID: HD 222076 b

System Context

HD 222076 b orbits HD 222076 and was reported in 2016 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 495.81 Earth masses (M sin i) and an orbital period of 871 days.

Catalog data places the system at about 91.2 parsecs from Earth, a host star classified as K0 III, 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 222076
HD 222076 b