HD 216770 b
Orbiting HD 216770
HD 216770 b is an exoplanet orbiting the star HD 216770, discovered in 2003 using the Radial Velocity method.
Minimum Mass (M sin i)
181.16
Earth masses
Orbital Period
118.5
days
Distance
36.7
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
181.16
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
118.450+0.550−0.550days
Semi-Major Axis
0.4600+0.0100−0.0100au
M sin(i) (Earth masses)
181.16+15.89−15.89
M sin(i) (Jupiter masses)
0.5700+0.0500−0.0500
Eccentricity
0.3700+0.0600−0.0600
Radial Velocity Semi-Amplitude
30.90+1.90−1.90m/s
Distance from Earth
36.7 pc (~120 ly)
Spectral Type
Unknown
Temperature
5399 K
Mass (Solar)
0.74 M☉
Radius (Solar)
0.93 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
343.9749°, -26.6595°
Discovery Method
Radial Velocity
Discovery Year
2003
Source ID: HD 216770 b
HD 216770 b orbits HD 216770 and was reported in 2003 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 181.16 Earth masses (M sin i) and an orbital period of 118.45 days.
Catalog data places the system at about 36.7 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 216770