HD 20794 e
Orbiting HD 20794
HD 20794 e is an exoplanet orbiting the star HD 20794, discovered in 2017 using the Radial Velocity method.
Minimum Mass (M sin i)
4.77
Earth masses
Orbital Period
147.0
days
Distance
6.0
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
4.77
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2017
Orbital Period
147.020+1.430−0.910days
Semi-Major Axis
0.5090+0.0060−0.0060au
M sin(i) (Earth masses)
4.77+0.96−0.86
M sin(i) (Jupiter masses)
0.0150+0.0030−0.0027
Eccentricity
0.2900+0.1400−0.1800
Argument of Periastron
268.1+48.1−32.7deg
Radial Velocity Semi-Amplitude
0.69+0.15−0.13m/s
Distance from Earth
6.0 pc (~20 ly)
Spectral Type
G8
Temperature
Unknown
Mass (Solar)
0.81 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
49.9998°, -43.0667°
Discovery Method
Radial Velocity
Discovery Year
2017
Source ID: HD 20794 e
HD 20794 e orbits HD 20794 and was reported in 2017 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 4.77 Earth masses (M sin i) and an orbital period of 147.02 days.
Catalog data places the system at about 6 parsecs from Earth, a host star classified as G8, 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