HD 220773 b
Orbiting HD 220773
HD 220773 b is an exoplanet orbiting the star HD 220773, discovered in 2011 using the Radial Velocity method.
Minimum Mass (M sin i)
460.80
Earth masses
Orbital Period
3724.7
days
Distance
50.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
460.80
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Robertson et al. 2012
Orbital Period
3724.700+463.000−463.000days
Semi-Major Axis
4.9400+0.2000−0.2000au
M sin(i) (Earth masses)
460.80+95.00−95.00
M sin(i) (Jupiter masses)
1.4500+0.3000−0.3000
Eccentricity
0.5100+0.1000−0.1000
Epoch of Periastron
2453866.40+95.00−95.00days
Argument of Periastron
259.0+15.0−15.0deg
Radial Velocity Semi-Amplitude
20.00+3.00−3.00m/s
Distance from Earth
50.5 pc (~165 ly)
Spectral Type
F9
Temperature
5940 K
Mass (Solar)
1.16 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
351.6145°, 8.6429°
Discovery Method
Radial Velocity
Discovery Year
2011
Source ID: HD 220773 b
HD 220773 b orbits HD 220773 and was reported in 2011 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 460.8 Earth masses (M sin i) and an orbital period of 3,724.7 days.
Catalog data places the system at about 50.5 parsecs from Earth, a host star classified as F9, 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 220773