Exoplanet

HD 290327 b

Orbiting HD 290327

Overview

HD 290327 b is an exoplanet orbiting the star HD 290327, discovered in 2009 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

772.33

Earth masses

0500 M⊕

Orbital Period

2443.0

days

0.1d10,000d

Distance

56.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

772.33

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

2443.000+160.000−160.000days

Semi-Major Axis

3.4300+0.1600−0.1600au

M sin(i) (Earth masses)

772.33+133.49−133.49

M sin(i) (Jupiter masses)

2.4300+0.4200−0.4200

Eccentricity

0.0800+0.0500−0.0500

Radial Velocity Semi-Amplitude

41.30+2.90−2.90m/s

Distance from Earth

56.4 pc (~184 ly)

Spectral Type

Unknown

Temperature

5505 K

Mass (Solar)

0.84 M☉

Radius (Solar)

0.95 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

80.8400°, -2.2780°

Discovery Method

Radial Velocity

Discovery Year

2009

Data Sources
NASA Exoplanet Archive

Source ID: HD 290327 b

System Context

HD 290327 b orbits HD 290327 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 772.33 Earth masses (M sin i) and an orbital period of 2,443 days.

Catalog data places the system at about 56.4 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 290327