HD 190984 b
Orbiting HD 190984
HD 190984 b is an exoplanet orbiting the star HD 190984, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
985.20
Earth masses
Orbital Period
4885.0
days
Distance
148.2
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
985.20
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Santos et al. 2010
Orbital Period
4885.000+1600.000−1600.000days
Semi-Major Axis
5.5000au
M sin(i) (Earth masses)
985.20
M sin(i) (Jupiter masses)
3.1000
Eccentricity
0.5700+0.1000−0.1000
Epoch of Periastron
2449572.00+1600.00−1600.00days
Argument of Periastron
318.0+5.0−5.0deg
Radial Velocity Semi-Amplitude
48.00+1.00−1.00m/s
Distance from Earth
148.2 pc (~483 ly)
Spectral Type
F8 V
Temperature
5988 K
Mass (Solar)
0.91 M☉
Radius (Solar)
1.53 R☉
Luminosity
0.43 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
302.8780°, -64.6203°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: HD 190984 b
HD 190984 b orbits HD 190984 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 985.2 Earth masses (M sin i) and an orbital period of 4,885 days.
Catalog data places the system at about 148.2 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 190984