HD 20794 b
Orbiting HD 20794
HD 20794 b is an exoplanet orbiting the star HD 20794, discovered in 2011 using the Radial Velocity method.
Minimum Mass (M sin i)
2.15
Earth masses
Orbital Period
18.3
days
Distance
6.0
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
2.15
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Nari et al. 2025
Orbital Period
18.314+0.002−0.002days
Semi-Major Axis
0.1257+0.0005−0.0005au
M sin(i) (Earth masses)
2.15+0.17−0.17
M sin(i) (Jupiter masses)
0.0068+0.0005−0.0005
Eccentricity
0.0640+0.0650−0.0460
Radial Velocity Semi-Amplitude
0.61+0.05−0.05m/s
Distance from Earth
6.0 pc (~20 ly)
Spectral Type
G6 V
Temperature
5368 K
Mass (Solar)
0.79 M☉
Radius (Solar)
0.93 R☉
Luminosity
-0.16 log L☉
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
49.9998°, -43.0667°
Discovery Method
Radial Velocity
Discovery Year
2011
Source ID: HD 20794 b
HD 20794 b orbits HD 20794 and was reported in 2011 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 2.15 Earth masses (M sin i) and an orbital period of 18.31 days.
Catalog data places the system at about 6 parsecs from Earth, a host star classified as G6 V, and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 20794More planets in this system