Exoplanet

HD 190647 b

Orbiting HD 190647

Overview

HD 190647 b is an exoplanet orbiting the star HD 190647, discovered in 2007 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

630.89

Earth masses

0500 M⊕

Orbital Period

1176.5

days

0.1d10,000d

Distance

54.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

630.89

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Barbato et al. 2018

Orbital Period

1176.450+3.1002.830days

Semi-Major Axis

2.2310+0.01900.0190au

M sin(i) (Earth masses)

630.89+10.4910.49

M sin(i) (Jupiter masses)

1.9850+0.03300.0330

Eccentricity

0.2240+0.01400.0140

Epoch of Periastron

2457373.00+25.2024.50days(BJD)

Argument of Periastron

219.5+6.86.6deg

Radial Velocity Semi-Amplitude

37.51+0.820.86m/s

Distance from Earth

54.5 pc (~178 ly)

Spectral Type

Unknown

Temperature

5656 K

Mass (Solar)

1.07 M☉

Radius (Solar)

1.38 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

301.8318°, -35.5395°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources

Source ID: HD 190647 b

System Context

HD 190647 b orbits HD 190647 and was reported in 2007 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 630.89 Earth masses (M sin i) and an orbital period of 1,176.45 days.

Catalog data places the system at about 54.5 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 190647