Exoplanet

HD 164922 d

Orbiting HD 164922

Overview

HD 164922 d is an exoplanet orbiting the star HD 164922, discovered in 2020 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

4.00

Earth masses

0500 M⊕

Orbital Period

12.5

days

0.1d10,000d

Distance

22.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

4.00

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Benatti et al. 2020

Orbital Period

12.458+0.0030.003days

Semi-Major Axis

0.1030+0.00100.0010au

M sin(i) (Earth masses)

4.00+1.001.00

M sin(i) (Jupiter masses)

0.0126+0.00310.0031

Eccentricity

0.1200+0.13000.0800

Epoch of Periastron

2457503.90+0.400.80days(BJD)

Argument of Periastron

-48.0+130.077.0deg

Radial Velocity Semi-Amplitude

1.30+0.200.20m/s

Distance from Earth

22.0 pc (~72 ly)

Spectral Type

Unknown

Temperature

5390 K

Mass (Solar)

0.93 M☉

Radius (Solar)

0.95 R☉

Luminosity

-0.15 log L☉

Planets in System

4

Stars in System

1

Coordinates (RA, Dec)

270.6305°, 26.3104°

Discovery Method

Radial Velocity

Discovery Year

2020

Data Sources

Source ID: HD 164922 d

System Context

HD 164922 d orbits HD 164922 and was reported in 2020 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 4 Earth masses (M sin i) and an orbital period of 12.46 days.

Catalog data places the system at about 22 parsecs from Earth and 4 known planets in the system.

Host star

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

Open HD 164922

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