Exoplanet

HD 19994 b

Orbiting HD 19994

Overview

HD 19994 b is an exoplanet orbiting the star HD 19994, discovered in 2003 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

435.41

Earth masses

0500 M⊕

Orbital Period

466.2

days

0.1d10,000d

Distance

22.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

435.41

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Wittenmyer et al. 2009

Orbital Period

466.200+1.7001.700days

Semi-Major Axis

1.3050+0.01600.0160au

M sin(i) (Earth masses)

435.41+38.1438.14

M sin(i) (Jupiter masses)

1.3700+0.12000.1200

Eccentricity

0.0630+0.06200.0620

Epoch of Periastron

2453757.00+72.0072.00days

Argument of Periastron

346.0+55.055.0deg

Radial Velocity Semi-Amplitude

29.30+2.102.10m/s

Distance from Earth

22.5 pc (~73 ly)

Spectral Type

F8 V

Temperature

6188 K

Mass (Solar)

1.36 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

3

Coordinates (RA, Dec)

48.1943°, -1.1964°

Discovery Method

Radial Velocity

Discovery Year

2003

Data Sources

Source ID: HD 19994 b

System Context

HD 19994 b orbits HD 19994 and was reported in 2003 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 435.41 Earth masses (M sin i) and an orbital period of 466.2 days.

Catalog data places the system at about 22.5 parsecs from Earth, a host star classified as F8 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 19994