Exoplanet

HD 16417 b

Orbiting HD 16417

Overview

HD 16417 b is an exoplanet orbiting the star HD 16417, discovered in 2008 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

22.10

Earth masses

0500 M⊕

Orbital Period

17.2

days

0.1d10,000d

Distance

25.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

22.10

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: O'Toole et al. 2009

Orbital Period

17.240+0.0100.010days

Semi-Major Axis

0.1400+0.01000.0100au

M sin(i) (Earth masses)

22.10+2.002.00

M sin(i) (Jupiter masses)

0.0696+0.00630.0063

Eccentricity

0.2000+0.09000.0900

Epoch of Periastron

2450099.74+3.303.30days

Argument of Periastron

77.0+26.026.0deg

Radial Velocity Semi-Amplitude

5.00+0.400.40m/s

Distance from Earth

25.4 pc (~83 ly)

Spectral Type

G1 V

Temperature

Unknown

Mass (Solar)

1.20 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

39.2441°, -34.5791°

Discovery Method

Radial Velocity

Discovery Year

2008

Data Sources

Source ID: HD 16417 b

System Context

HD 16417 b orbits HD 16417 and was reported in 2008 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 22.1 Earth masses (M sin i) and an orbital period of 17.24 days.

Catalog data places the system at about 25.4 parsecs from Earth, a host star classified as G1 V, 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 16417