Exoplanet

HD 173416 b

Orbiting HD 173416

Overview

HD 173416 b is an exoplanet orbiting the star HD 173416, discovered in 2008 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

585.12

Earth masses

0500 M⊕

Orbital Period

322.0

days

0.1d10,000d

Distance

132.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

585.12

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teng et al. 2023

Orbital Period

322.030+1.3301.520days

Semi-Major Axis

1.1580+0.00300.0040au

M sin(i) (Earth masses)

585.12+65.4771.51

M sin(i) (Jupiter masses)

1.8410+0.20600.2250

Eccentricity

0.2080+0.08900.0940

Epoch of Periastron

2454735.00+23.40253.10days(JD)

Argument of Periastron

-117.9+33.733.1deg

Radial Velocity Semi-Amplitude

35.33+4.074.46m/s

Distance from Earth

132.2 pc (~431 ly)

Spectral Type

G8

Temperature

4683 K

Mass (Solar)

2.00 M☉

Radius (Solar)

13.50 R☉

Luminosity

1.89 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

280.9006°, 36.5569°

Discovery Method

Radial Velocity

Discovery Year

2008

Data Sources

Source ID: HD 173416 b

System Context

HD 173416 b orbits HD 173416 and was reported in 2008 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 585.12 Earth masses (M sin i) and an orbital period of 322.03 days.

Catalog data places the system at about 132.2 parsecs from Earth, a host star classified as G8, 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 173416