HD 20003 b
Orbiting HD 20003
HD 20003 b is an exoplanet orbiting the star HD 20003, discovered in 2019 using the Radial Velocity method.
Minimum Mass (M sin i)
11.66
Earth masses
Orbital Period
11.8
days
Distance
41.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
11.66
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Udry et al. 2019
Orbital Period
11.848+0.002−0.002days
Semi-Major Axis
0.0974+0.0034−0.0039au
M sin(i) (Earth masses)
11.66+1.04−1.06
M sin(i) (Jupiter masses)
0.0367+0.0033−0.0033
Eccentricity
0.3600+0.0500−0.0500
Epoch of Periastron
2455489.51+0.21−0.21days(BJD)
Argument of Periastron
-92.7+8.5−8.6deg
Radial Velocity Semi-Amplitude
3.84+0.20−0.21m/s
Distance from Earth
41.8 pc (~136 ly)
Spectral Type
G8 V
Temperature
5494 K
Mass (Solar)
0.88 M☉
Radius (Solar)
Unknown
Luminosity
-0.14 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
46.9090°, -72.3219°
Discovery Method
Radial Velocity
Discovery Year
2019
Source ID: HD 20003 b
HD 20003 b orbits HD 20003 and was reported in 2019 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 11.66 Earth masses (M sin i) and an orbital period of 11.85 days.
Catalog data places the system at about 41.8 parsecs from Earth, a host star classified as G8 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 20003More planets in this system