Exoplanet

HD 170469 b

Orbiting HD 170469

Overview

HD 170469 b is an exoplanet orbiting the star HD 170469, discovered in 2007 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

209.77

Earth masses

0500 M⊕

Orbital Period

1145.0

days

0.1d10,000d

Distance

60.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

209.77

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

1145.000+18.000−18.000days

Semi-Major Axis

2.2400+0.0500−0.0500au

M sin(i) (Earth masses)

209.77+34.96−34.96

M sin(i) (Jupiter masses)

0.6600+0.1100−0.1100

Eccentricity

0.1100+0.0800−0.0800

Radial Velocity Semi-Amplitude

12.00+1.90−1.90m/s

Distance from Earth

60.2 pc (~196 ly)

Spectral Type

Unknown

Temperature

5842 K

Mass (Solar)

1.10 M☉

Radius (Solar)

1.24 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

277.2955°, 11.6954°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources
NASA Exoplanet Archive

Source ID: HD 170469 b

System Context

HD 170469 b orbits HD 170469 and was reported in 2007 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 209.77 Earth masses (M sin i) and an orbital period of 1,145 days.

Catalog data places the system at about 60.2 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 170469