Exoplanet

HD 204941 b

Orbiting HD 204941

Overview

HD 204941 b is an exoplanet orbiting the star HD 204941, discovered in 2011 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

73.10

Earth masses

0500 M⊕

Orbital Period

1733.0

days

0.1d10,000d

Distance

28.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

73.10

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

1733.000+74.00074.000days

Semi-Major Axis

2.5500+0.08000.0800au

M sin(i) (Earth masses)

73.10+9.539.53

M sin(i) (Jupiter masses)

0.2300+0.03000.0300

Eccentricity

0.3700+0.08000.0800

Radial Velocity Semi-Amplitude

5.90+0.700.70m/s

Distance from Earth

28.7 pc (~94 ly)

Spectral Type

Unknown

Temperature

5026 K

Mass (Solar)

0.58 M☉

Radius (Solar)

0.78 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

323.0967°, -20.9580°

Discovery Method

Radial Velocity

Discovery Year

2011

Data Sources

Source ID: HD 204941 b

System Context

HD 204941 b orbits HD 204941 and was reported in 2011 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 73.1 Earth masses (M sin i) and an orbital period of 1,733 days.

Catalog data places the system at about 28.7 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 204941
HD 204941 b