HD 202206 b
Orbiting HD 202206
HD 202206 b is an exoplanet orbiting the star HD 202206, discovered in 2026 using the Radial Velocity method.
Mass
6849.20
Earth masses
Orbital Period
256.3
days
Distance
46.0
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
6849.20
Measured
Equilibrium Temperature
Unknown
Parameter source: Cao et al. 2026
Orbital Period
256.260+0.030−0.030days
Semi-Major Axis
0.8100+0.0100−0.0200au
Planet Mass (Earth masses)
6849.20+254.26−257.44
Planet Mass (Jupiter masses)
21.5500+0.8000−0.8100
Eccentricity
0.4260+0.0020−0.0020
Argument of Periastron
161.6+0.3−0.3deg
Radial Velocity Semi-Amplitude
562.58+1.35−1.36m/s
Distance from Earth
46.0 pc (~150 ly)
Spectral Type
G2 V
Temperature
5764 K
Mass (Solar)
1.06 M☉
Radius (Solar)
1.04 R☉
Luminosity
0.04 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
318.7405°, -20.7897°
Discovery Method
Radial Velocity
Discovery Year
2026
Source ID: HD 202206 b
HD 202206 b orbits HD 202206 and was reported in 2026 and was detected with the Radial Velocity method.
Published measurements list a mass of 6,849.2 Earth masses and an orbital period of 256.26 days.
Catalog data places the system at about 46 parsecs from Earth, a host star classified as G2 V, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 202206More planets in this system