HD 212771 b
Orbiting HD 212771
HD 212771 b is an exoplanet orbiting the star HD 212771, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
759.61
Earth masses
Orbital Period
380.7
days
Distance
111.2
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
759.61
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Luhn et al. 2019
Orbital Period
380.700+1.400−1.400days
Semi-Major Axis
1.1900+0.1300−0.1300au
M sin(i) (Earth masses)
759.61+85.81−85.81
M sin(i) (Jupiter masses)
2.3900+0.2700−0.2700
Eccentricity
0.0760+0.0510−0.0510
Epoch of Periastron
2454920.00+52.00−52.00days(JD)
Argument of Periastron
29.0+65.0−65.0deg
Radial Velocity Semi-Amplitude
50.00+5.80−5.80m/s
Distance from Earth
111.2 pc (~363 ly)
Spectral Type
Unknown
Temperature
5003 K
Mass (Solar)
1.56 M☉
Radius (Solar)
5.27 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
336.7624°, -17.2641°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: HD 212771 b
HD 212771 b orbits HD 212771 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 759.61 Earth masses (M sin i) and an orbital period of 380.7 days.
Catalog data places the system at about 111.2 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 212771