HD 203387 b
Orbiting HD 203387
HD 203387 b is an exoplanet orbiting the star HD 203387, discovered in 2022 using the Radial Velocity method.
Minimum Mass (M sin i)
1106.04
Earth masses
Orbital Period
512.5
days
Distance
61.7
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1106.04
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
512.535+7.535−8.157days
Semi-Major Axis
1.7710+0.0560−0.0620au
M sin(i) (Earth masses)
1106.04+187.20−168.77
M sin(i) (Jupiter masses)
3.4800+0.5890−0.5310
Eccentricity
0.7320+0.0490−0.0490
Epoch of Periastron
2453040.71+13.50−13.85days(BJD)
Argument of Periastron
350.1+3.0−3.5deg
Radial Velocity Semi-Amplitude
64.95+10.47−8.41m/s
Distance from Earth
61.7 pc (~201 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
2.82 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
320.5618°, -16.8345°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 203387 b
HD 203387 b orbits HD 203387 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,106.04 Earth masses (M sin i) and an orbital period of 512.54 days.
Catalog data places the system at about 61.7 parsecs from Earth 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 203387More planets in this system