HD 194490 b
Orbiting HD 194490
HD 194490 b is an exoplanet orbiting the star HD 194490, discovered in 2022 using the Radial Velocity method.
Mass
3561.90
Earth masses
Orbital Period
13092.2
days
Distance
80.2
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
3561.90
Measured
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
13092.183+3494.646−2509.997days
Semi-Major Axis
11.1160+2.0070−1.5110au
Planet Mass (Earth masses)
3561.90+560.65−422.39
Planet Mass (Jupiter masses)
11.2070+1.7640−1.3290
Eccentricity
0.2510+0.1050−0.0940
Epoch of Periastron
2454060.76+88.89−233.31days(BJD)
Argument of Periastron
261.1+5.0−7.1deg
Radial Velocity Semi-Amplitude
80.95+1.22−1.30m/s
Distance from Earth
80.2 pc (~262 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.06 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
306.9980°, -51.6645°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 194490 b
HD 194490 b orbits HD 194490 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a mass of 3,561.9 Earth masses and an orbital period of 13,092.18 days.
Catalog data places the system at about 80.2 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 194490